List of Concept Codes

When you perform a search and you have a subscription to Biological Abstracts, BIOSIS Citation Index, or BIOSIS Previews, you can copy a term from the following list and paste it in the Concept Codes/Headings field. You can also use these terms in advanced search using the CC field tag. Separate multiple terms using the OR Boolean operator.

Broad Concept Heading Concept Code Concept Heading

General biology

00502

philosophy

00504

taxonomy, nomenclature and terminology

00506

explorations, expeditions, etc.

00508

institutions, administration and legislation

00510

museums, botanical/zoological gardens, aquaria

00512

conservation, resource management

00514

textbooks, general; education; audio-visual aids

00516

nature study and materials

00518

nontechnical literature (minor only)

00520

symposia, transactions, proceedings

00522

history and archaeology

00524

biographies

00526

bibliography

00530

information, documentation, retrieval and computer applications

00531

forensic science

00532

miscellaneous

Methods

01004

laboratory methods

01006

laboratory apparatus

01008

field methods

01010

field apparatus

01012

photography

01014

apparatus; miscellaneous

Microscopy

01052

general and special techniques

01054

cytology and cytochemistry

01056

histology and histochemistry

01058

electron microscopy

Evolution

01500

Evolution

Cytology

02502

general

02504

plant

02506

animal

02508

human

Genetics

03502

general

03504

plant

03506

animal

03508

human

03509

population genetics

03510

sex differences

Mathematical biology and statistical methods

04500

Mathematical biology and statistical methods

Physical anthropology; ethnobiology

05000

Physical anthropology; ethnobiology

Social biology; human ecology

05500

Social biology; human ecology

Aerospace/underwater biology

06002

general; methods

06004

ecology and psychology

06006

physiology and medicine

06008

engineering and instrumentation

06010

exobiology

06012

space radiation

Subterranean bioresearch

06400

Subterranean bioresearch

Radiation biology

06502

general

06504

radiation and isotope techniques

06506

radiation effects and protective measures

Behavioral biology

07002

general and comparative behavior

07003

animal behavior

07004

human behavior

07005

conditioning

07006

animal communication

Circadian rhythms and other periodic cycles

07200

Circadian rhythms and other periodic cycles

Ecology; Environmental Biology

07502

general; methods

07504

bioclimatology and biometeorology

07506

plant

07508

animal

07510

oceanography and limnology

07512

oceanography

07514

limnology

07516

wildlife management; aquatic

07518

Wildlife management; terrestrial

Clinical Biochemistry; General Methods and Applications

10006

Clinical biochemistry; general methods and applications

Comparative Biochemistry, General

10010

Comparative biochemistry, general

Biochemistry

10011

physiological water studies

Biochemistry; Gases

10012

Biochemistry; gases

Biochemistry methods

10050

general

10052

nucleic acids, purines and pyrimidines

10053

vitamins

10054

proteins, peptides and amino acids

10055

porphyrins and bile pigments

10056

lipids

10057

sterols and steroids

10058

carbohydrates

10059

minerals

Biochemistry Studies

10060

general

10062

nucleic acids, purines and pyrimidines

10063

vitamins

10064

proteins, peptides and amino acids

10065

porphyrins and bile pigments

10066

lipids

10067

sterols and steroids

10068

carbohydrates

10069

minerals

Replication, Transcription, Translation

10300

Replication, transcription, translation

Biophysics

10502

general biophysical studies

10504

general biophysical techniques

10506

molecular properties and macromolecules

10508

membrane phenomena

10510

bioenergetics: electron transport and oxidative phosphorylation

10511

bioengineering

10515

biocybernetics

External Effects

10602

general

10604

light and darkness

10606

pressure

10608

sonics; ultrasonics

10610

electric, magnetic and gravitational phenomena

10612

physical and mechanical effect

10614

temperature as a primary variable

10616

temperature as a primary variable - cold

10618

temperature as a primary variable - hot

10620

humidity

Enzymes

10802

general and comparative studies; coenzymes

10804

methods

10806

chemical and physical

10808

physiological studies

Anatomy General/Comparative

11102

gross anatomy

11103

comparative anatomy

11104

experimental anatomy

11105

surgery

11106

radiologic anatomy

11107

regeneration and transplantation

11108

microscopic and ultramicroscopic anatomy

Chordate Body Regions

11302

general

11304

head

11306

facial

11308

neck

11309

shoulder

11310

back and buttocks

11311

lumbar

11312

thorax

11314

abdomen

11316

pelvis

11318

extremities

Physiology: Gen./Misc.

12002

general

12003

comparative

12004

instrumentation

12006

methods

12008

stress

12010

exercise and physical therapy

Movement

12100

Movement

Pathology: Gen./Misc.

12502

general

12503

comparative

12504

diagnostic

12508

inflammation and inflammatory disease

12510

necrosis

12512

therapy

Metabolism

13002

general metabolism; metabolic pathways

13003

energy and respiratory metabolism

13004

carbohydrates

13006

lipids

13008

sterols and steroids

13010

minerals

13012

proteins, peptides and amino acids

13013

porphyrins and bile pigments

13014

nucleic acids, purines and pyrimidines

13015

vitamins, general

13016

fat-soluble vitamins

13018

water-soluble vitamins

13020

metabolic disorders

Nutrition

13202

general studies, nutritional status and methods

13203

malnutrition; obesity

13206

minerals

13207

vitamins, general

13208

fat-soluble vitamins

13210

water-soluble vitamins

13214

general dietary studies

13216

pathogenic diets

13218

prophylactic and therapeutic diets

13220

carbohydrates

13222

lipids

13224

proteins, peptides and amino acids

13226

sterols and steroids

Food Technology

13502

general; methods

13504

fruits, nuts and vegetables

13506

milling technology

13508

baking technology

13510

cereal chemistry

13512

malts, brews and other fermentation products

13514

fats and oils

13516

meats and meat by-products

13518

dairy products

13520

poultry and eggs

13522

fish and other marine and freshwater products

13524

sugar

13530

evaluations of physical and chemical properties

13532

preparation, processing and storage

13534

synthetic, supplemental and enrichment foods

Digestive System

14001

general; methods

14002

anatomy

14004

physiology and biochemistry

14006

pathology

Cardiovascular System

14501

general; methods

14502

anatomy

14504

physiology and biochemistry

14506

heart pathology

14508

blood vessel pathology

Blood

15001

general; methods

15002

blood and lymph studies

15004

blood cell studies

15006

blood, lymphatic and reticuloendothelial pathologies

15008

lymphatic tissue and reticuloendothelial system

15010

other body fluids

Urinary System

15501

general; methods

15502

anatomy

15504

physiology and biochemistry

15506

pathology

Respiratory System

16001

general; methods

16002

anatomy

16004

physiology and biochemistry

16006

pathology

Reproductive System

16501

general; methods

16502

anatomy

16504

physiology and biochemistry

16506

pathology

Endocrine

17002

general

17004

adrenals

17006

gonads and placenta

17008

pancreas

17010

parathyroid

17012

pineal

17014

pituitary

17016

thymus

17018

thyroid

17020

neuroendocrinology

Muscle

17501

general; methods

17502

anatomy

17504

physiology and biochemistry

17506

pathology

Bones, Joints, Fasciae, Connective and Adipose Tissue

18001

general; methods

18002

anatomy

18004

physiology and biochemistry

18006

pathology

Coelomic Membranes; Mesenteries and Related Structures

18200

Coelomic membranes; mesenteries and related structures

Integumentary System

18501

general; methods

18502

anatomy

18504

physiology and biochemistry

18506

pathology

Dental Biology

19001

general; methods

19002

anatomy

19004

physiology and biochemistry

19006

pathology

Sense Organs

20001

general; methods

20002

anatomy

20004

physiology and biochemistry

20006

pathology

20008

deafness, speech and hearing

Nervous System

20501

general; methods

20502

anatomy

20504

physiology and biochemistry

20506

pathology

Psychiatry

21001

general; medical psychology and sociology

21002

psychopathology; psychodynamics and therapy

21003

psychophysiology

21004

addiction (alcohol, drugs, smoking, etc.)

21006

mental retardation

Pharmacology

22002

general

22003

drug metabolism; metabolic stimulators

22005

clinical pharmacology

22008

blood and hematopoietic agents

22010

cardiovascular system

22012

connective tissue, bone and collagen-acting drugs

22014

digestive system

22016

endocrine system

22018

immunological processes and allergy

22020

integumentary system, dental and oral biology

22022

muscle system

22024

neuropharmacology

22026

psychopharmacology

22028

reproductive system; implantation studies

22030

respiratory system

22031

sense organs, associated structures and functions

22032

urinary system

Routes of Immunization, Infection and Therapy

22100

Routes of immunization, infection and therapy

Toxicology

22501

general; methods and experimental

22502

foods, food residues, additives and preservatives

22504

pharmacological toxicology

22505

antidotes and preventative toxicology

22506

environmental and industrial toxicology

22508

veterinary toxicology

Temperature

23001

general measurement and methods

23004

cryobiology

23005

thermotherapy

23006

hypothermia, hyperthermia

23007

thermopathology

23008

thermorhythms

23010

thermoadaptation

23012

thermoregulation

Neoplasms

24001

diagnostic methods

24002

general

24003

immunology

24004

pathology; clinical aspects; systemic effects

24005

neoplastic cell lines

24006

biochemistry

24007

carcinogens and carcinogenesis

24008

therapeutic agents; therapy

24010

blood and reticuloendothelial neoplasms

Gerontology

24500

Gerontology

Pediatrics

25000

Pediatrics

Developmental/Embryology

25502

general and descriptive

25503

pathological

25504

experimental

25508

morphogenesis, general

25552

descriptive teratology/teratogenesis

25554

experimental teratology/teratogenesis

Animal Production

26502

general; methods

26504

feeds and feeding

26506

breeds and breeding

Poultry Production

27002

general; methods

27004

feeds and feeding

27006

breeds and breeding

Microorganisms, General

29500

Microorganisms, general

Bacteriology, General and Systematic

30000

Bacteriology, general and systematic

Morphology and Cytology of Bacteria

30500

Morphology and cytology of bacteria

Physiology and Biochemistry of Bacteria

31000

Physiology and biochemistry of bacteria

Genetics of Bacteria and Viruses

31500

Genetics of bacteria and viruses

Microbiological Apparatus, Methods and Media

32000

Microbiological apparatus, methods and media

Microbiological Ultrastructure

32300

Microbiological ultrastructure

Tissue Culture, Apparatus, Methods and Media

32500

Tissue culture, apparatus, methods and media

In Vitro Studies, Cellular and Subcellular

32600

In vitro studies, cellular and subcellular

Virology

33502

general; methods

33504

bacteriophage

33506

animal host viruses

33508

plant host viruses

Immunology

34502

general; methods

34504

bacterial, viral and fungal

34506

immunohematology, blood groups

34508

immunopathology, tissue immunology

Immunology, Parasitological

35000

Immunology, parasitological

Allergy

35500

Allergy

Medical and Clinical Microbiology

36001

general; methods and techniques

36002

bacteriology

36006

virology

36007

phycology

36008

mycology

36504

serodiagnosis

36506

skin tests

Public Health

37001

general and miscellaneous

37003

epizootiology

37006

public health laboratory methods

37008

disinfection and vector control; pesticides

37010

public health administration and statistics

37012

health services and medical care

37013

occupational health

37014

sewage disposal and sanitary measures

37015

air, water and soil pollution

37017

radiation health

37019

miscellaneous

Public Health: Epidemiology

37052

communicable diseases

37054

organic diseases and neoplasms

37056

miscellaneous

Public Health: Disease Vectors

37057

general

37058

animate

37060

inanimate

Public Health Microbiology

37400

Public health microbiology

Veterinary Science

38002

general; methods

38004

pathology

38006

microbiology

Chemotherapy

38502

general; methods; metabolism

38504

antibacterial agents

38506

antiviral agents

38508

antifungal agents

38510

antiparasitic agents

Food Microbiology

39002

food and beverage spoilage and contamination

39003

food and beverage fermentation

39004

antibiotics, biologics, other agents

39006

biodegradation and biodeterioration

39007

biosynthesis, bioassay and fermentation

39008

general and miscellaneous

Disinfection, Disinfectants and Sterilization

39500

Disinfection, disinfectants and sterilization

Soil Microbiology

40000

Soil microbiology

Cosmetics

42100

Cosmetics

Paleobotany

50000

Paleobotany

Palynology

50100

Palynology

Botany: General/Systematic

50501

cryptogamae (major only)

50503

thallophyta (major only)

50504

algae (major only)

50506

fungi (major only)

50510

lichenes (major only)

50511

embryophyta (major only)

50512

bryophyta (major only)

50513

tracheophyta (major only)

50514

pteridophyta (major only)

50516

spermatophyta (major only)

50518

gymnospermae (major only)

50522

angiospermae (major only)

50524

monocotyledones (major only)

50526

dicotyledones (major only)

50528

floristics and distribution

50530

gen./miscell. (major only)

Morphology, Anatomy and Embryology of Plants

51000

Morphology, anatomy and embryology of plants

Plant Physiology

51502

water relations

51503

temperature

51504

nutrition

51506

photosynthesis

51508

respiration, fermentation

51510

growth, differentiation

51512

reproduction

51514

growth substances

51516

light and radiation effects

51517

electric, magnetic and gravitational phenomena

51518

enzymes

51519

metabolism

51520

translocation, accumulation

51522

chemical constituents

51523

bioluminescence

51524

apparatus and methods

51526

general and miscellaneous

Economic Botany, General

52000

Economic botany, general

Agronomy

52502

general, miscellaneous and mixed crops

52504

grain crops

52506

forage crops and fodder

52508

fiber crops

52510

sugar crops

52512

tobacco crops

52514

oil crops

52518

weed control

Soil Science

52801

general; methods

52803

genesis, morphology, classification, geology

52805

physics and chemistry

52807

fertility and applied studies

Horticulture

53002

temperate zone fruits and nuts

53004

tropical/subtropical fruits ; plantation crops

53006

small fruits

53008

vegetables

53010

flowers and ornamentals

53012

general; miscellaneous and mixed crops

Forestry and Forest Products

53500

Forestry and forest products

Pharmacognosy and Pharmaceutical botany

54000

Pharmacognosy and pharmaceutical botany

Phytopathology

54502

diseases caused by fungi

54504

diseases caused by bacteria

54506

diseases caused by phanerogams

54507

diseases caused by algae

54508

diseases caused by animal parasites

54510

diseases caused by viruses

54512

nonparasitic diseases

54514

parasitism and resistance

54516

disease control

54518

general and miscellaneous

Pest Control: General; Pesticides; Herbicides

54600

Pest control: general; pesticides; herbicides

Economic Entomology

60002

general

60004

field, flower and truck crops

60006

fruits and nuts

60008

stored products

60010

trees, ornamentals and wood products

60012

animal pests

60014

biological control

60015

integrated control

60016

chemical control, general; apparatus

60018

apiculture

60020

sericulture

Parasitology

60502

general

60504

medical

60506

veterinary

Sanitary entomology

61000

Sanitary entomology

Chordata: General/Systematic Zoology

62502

general (major only)

62503

protochordata (major only)

Chordata: General/Systematic

62510

pisces (major only)

62512

amphibia (major only)

62514

amphibia (major only)

62516

reptilia (major only

62518

aves (major only)

62520

mammalia (major only)

Animal Distribution

62800

Animal distribution

Paleozoology

63000

Paleozoology

Invertebrata: General/Systematic

63501

general (major only)

63502

protozoa (major only)

63504

mesozoa (major only)

63506

porifera (major only)

63508

cnidaria (major only)

63509

ctenophora (major only)

63510

platyhelminthes (major only)

63512

rhynchocoela (major only)

63514

acanthocephala (major only)

63516

aschelminthes (major only)

63518

entoprocta (major only)

63520

phoronidea (major only)

63522

ectoprocta (major only)

63524

brachiopoda (major only)

63526

mollusca (major only)

63528

sipunculoidea (major only)

63530

annelida (major only)

63532

echiuroidea (major only)

63534

linguatulida (major only)

63536

tardigrada (major only)

63538

onychophora (major only)

63542

chaetognatha (major only)

63544

hemichordata (major only)

63546

pogonophora (major only)

63548

echinodermata (major only)

63552

arthropoda: general (major only)

63554

arthropoda: crustacea (major only)

63556

arthropoda: myriapoda (major only)

63572

insecta: general (major only)

63573

insecta: coleoptera (major only)

63574

insecta: diptera (major only)

63576

fossil insecta (major only)

63578

insecta: hemiptera

63580

insecta: homoptera (major only)

63582

insecta: hymenoptera (major only)

63584

insecta: lepidoptera (major only)

63586

insecta: neuroptera (major only)

63588

insecta: orthoptera (major only)

63590

insecta: other orders (major only)

63592

chelicerata: general (major only)

63594

chelicerata: arachnida (major only)

63596

chelicerata: acarina (major only)

63597

chelicerata: merostomata (major only)

63598

chelicerata: pycnogonida

Invertebrata: Comparative Experimental Morphology, Physiology and Pathology

64001

general

64002

protozoa

64004

mesozoa

64006

porifera

64008

cnidaria

64009

ctenophora

64010

platyhelminthes

64012

rhynchocoela

64014

acanthocephala

64016

aschelminthes

64018

entoprocta

64020

phoronidea

64022

ectoprocta

64024

brachiopoda

64026

mollusca

64028

sipunculoidea

64030

annelida

64032

echiuroidea

64034

linguatulida

64036

tardigrada

64038

onychophora

64042

chaetognatha

64044

hemichordata

64046

pogonophora

64048

echinodermata

64052

arthropoda: general

64054

arthropoda: crustacea

64056

arthropoda: myriapoda

64060

arthropoda: chelicerata

64072

insecta: general

64074

insecta: morphology, comparative

64076

insecta: physiology

64078

insecta: pathology

Invertebrate Body Regions

64202

general

64204

head

64206

cephalothorax

64208

thorax

64210

abdomen

64212

appendages

64214

hard parts

64216

orifices, pores and cavities

64218

special organs

Paleobiology

64500

Paleobiology

Geological Periods

64702

General and Unspecified

64704

Precambrian

64705

Paleozoic, General

64706

Cambrian

64708

Ordovician

64710

Silurian

64712

Devonian

64714

Carboniferous (Mississippian and Pennsylvanian)

64716

Permian

64717

Mesozoic, General

64718

Triassic

64720

Jurassic

64722

Cretaceous

64723

Cenozoic, General

64724

Tertiary

64726

Pleistocene

64728

Recent

 

When you perform a search and you have a subscription to Biological Abstracts, BIOSIS Citation Index, or BIOSIS Previews, you can copy a term from the following list and paste it in the Concept Codes/Headings field. You can also use these terms in advanced search using the CC field tag. Separate multiple terms using the OR Boolean operator.

Broad Concept Heading Concept Code Concept Heading

General biology

00502

philosophy

00504

taxonomy, nomenclature and terminology

00506

explorations, expeditions, etc.

00508

institutions, administration and legislation

00510

museums, botanical/zoological gardens, aquaria

00512

conservation, resource management

00514

textbooks, general; education; audio-visual aids

00516

nature study and materials

00518

nontechnical literature (minor only)

00520

symposia, transactions, proceedings

00522

history and archaeology

00524

biographies

00526

bibliography

00530

information, documentation, retrieval and computer applications

00531

forensic science

00532

miscellaneous

Methods

01004

laboratory methods

01006

laboratory apparatus

01008

field methods

01010

field apparatus

01012

photography

01014

apparatus; miscellaneous

Microscopy

01052

general and special techniques

01054

cytology and cytochemistry

01056

histology and histochemistry

01058

electron microscopy

Evolution

01500

Evolution

Cytology

02502

general

02504

plant

02506

animal

02508

human

Genetics

03502

general

03504

plant

03506

animal

03508

human

03509

population genetics

03510

sex differences

Mathematical biology and statistical methods

04500

Mathematical biology and statistical methods

Physical anthropology; ethnobiology

05000

Physical anthropology; ethnobiology

Social biology; human ecology

05500

Social biology; human ecology

Aerospace/underwater biology

06002

general; methods

06004

ecology and psychology

06006

physiology and medicine

06008

engineering and instrumentation

06010

exobiology

06012

space radiation

Subterranean bioresearch

06400

Subterranean bioresearch

Radiation biology

06502

general

06504

radiation and isotope techniques

06506

radiation effects and protective measures

Behavioral biology

07002

general and comparative behavior

07003

animal behavior

07004

human behavior

07005

conditioning

07006

animal communication

Circadian rhythms and other periodic cycles

07200

Circadian rhythms and other periodic cycles

Ecology; Environmental Biology

07502

general; methods

07504

bioclimatology and biometeorology

07506

plant

07508

animal

07510

oceanography and limnology

07512

oceanography

07514

limnology

07516

wildlife management; aquatic

07518

Wildlife management; terrestrial

Clinical Biochemistry; General Methods and Applications

10006

Clinical biochemistry; general methods and applications

Comparative Biochemistry, General

10010

Comparative biochemistry, general

Biochemistry

10011

physiological water studies

Biochemistry; Gases

10012

Biochemistry; gases

Biochemistry methods

10050

general

10052

nucleic acids, purines and pyrimidines

10053

vitamins

10054

proteins, peptides and amino acids

10055

porphyrins and bile pigments

10056

lipids

10057

sterols and steroids

10058

carbohydrates

10059

minerals

Biochemistry Studies

10060

general

10062

nucleic acids, purines and pyrimidines

10063

vitamins

10064

proteins, peptides and amino acids

10065

porphyrins and bile pigments

10066

lipids

10067

sterols and steroids

10068

carbohydrates

10069

minerals

Replication, Transcription, Translation

10300

Replication, transcription, translation

Biophysics

10502

general biophysical studies

10504

general biophysical techniques

10506

molecular properties and macromolecules

10508

membrane phenomena

10510

bioenergetics: electron transport and oxidative phosphorylation

10511

bioengineering

10515

biocybernetics

External Effects

10602

general

10604

light and darkness

10606

pressure

10608

sonics; ultrasonics

10610

electric, magnetic and gravitational phenomena

10612

physical and mechanical effect

10614

temperature as a primary variable

10616

temperature as a primary variable - cold

10618

temperature as a primary variable - hot

10620

humidity

Enzymes

10802

general and comparative studies; coenzymes

10804

methods

10806

chemical and physical

10808

physiological studies

Anatomy General/Comparative

11102

gross anatomy

11103

comparative anatomy

11104

experimental anatomy

11105

surgery

11106

radiologic anatomy

11107

regeneration and transplantation

11108

microscopic and ultramicroscopic anatomy

Chordate Body Regions

11302

general

11304

head

11306

facial

11308

neck

11309

shoulder

11310

back and buttocks

11311

lumbar

11312

thorax

11314

abdomen

11316

pelvis

11318

extremities

Physiology: Gen./Misc.

12002

general

12003

comparative

12004

instrumentation

12006

methods

12008

stress

12010

exercise and physical therapy

Movement

12100

Movement

Pathology: Gen./Misc.

12502

general

12503

comparative

12504

diagnostic

12508

inflammation and inflammatory disease

12510

necrosis

12512

therapy

Metabolism

13002

general metabolism; metabolic pathways

13003

energy and respiratory metabolism

13004

carbohydrates

13006

lipids

13008

sterols and steroids

13010

minerals

13012

proteins, peptides and amino acids

13013

porphyrins and bile pigments

13014

nucleic acids, purines and pyrimidines

13015

vitamins, general

13016

fat-soluble vitamins

13018

water-soluble vitamins

13020

metabolic disorders

Nutrition

13202

general studies, nutritional status and methods

13203

malnutrition; obesity

13206

minerals

13207

vitamins, general

13208

fat-soluble vitamins

13210

water-soluble vitamins

13214

general dietary studies

13216

pathogenic diets

13218

prophylactic and therapeutic diets

13220

carbohydrates

13222

lipids

13224

proteins, peptides and amino acids

13226

sterols and steroids

Food Technology

13502

general; methods

13504

fruits, nuts and vegetables

13506

milling technology

13508

baking technology

13510

cereal chemistry

13512

malts, brews and other fermentation products

13514

fats and oils

13516

meats and meat by-products

13518

dairy products

13520

poultry and eggs

13522

fish and other marine and freshwater products

13524

sugar

13530

evaluations of physical and chemical properties

13532

preparation, processing and storage

13534

synthetic, supplemental and enrichment foods

Digestive System

14001

general; methods

14002

anatomy

14004

physiology and biochemistry

14006

pathology

Cardiovascular System

14501

general; methods

14502

anatomy

14504

physiology and biochemistry

14506

heart pathology

14508

blood vessel pathology

Blood

15001

general; methods

15002

blood and lymph studies

15004

blood cell studies

15006

blood, lymphatic and reticuloendothelial pathologies

15008

lymphatic tissue and reticuloendothelial system

15010

other body fluids

Urinary System

15501

general; methods

15502

anatomy

15504

physiology and biochemistry

15506

pathology

Respiratory System

16001

general; methods

16002

anatomy

16004

physiology and biochemistry

16006

pathology

Reproductive System

16501

general; methods

16502

anatomy

16504

physiology and biochemistry

16506

pathology

Endocrine

17002

general

17004

adrenals

17006

gonads and placenta

17008

pancreas

17010

parathyroid

17012

pineal

17014

pituitary

17016

thymus

17018

thyroid

17020

neuroendocrinology

Muscle

17501

general; methods

17502

anatomy

17504

physiology and biochemistry

17506

pathology

Bones, Joints, Fasciae, Connective and Adipose Tissue

18001

general; methods

18002

anatomy

18004

physiology and biochemistry

18006

pathology

Coelomic Membranes; Mesenteries and Related Structures

18200

Coelomic membranes; mesenteries and related structures

Integumentary System

18501

general; methods

18502

anatomy

18504

physiology and biochemistry

18506

pathology

Dental Biology

19001

general; methods

19002

anatomy

19004

physiology and biochemistry

19006

pathology

Sense Organs

20001

general; methods

20002

anatomy

20004

physiology and biochemistry

20006

pathology

20008

deafness, speech and hearing

Nervous System

20501

general; methods

20502

anatomy

20504

physiology and biochemistry

20506

pathology

Psychiatry

21001

general; medical psychology and sociology

21002

psychopathology; psychodynamics and therapy

21003

psychophysiology

21004

addiction (alcohol, drugs, smoking, etc.)

21006

mental retardation

Pharmacology

22002

general

22003

drug metabolism; metabolic stimulators

22005

clinical pharmacology

22008

blood and hematopoietic agents

22010

cardiovascular system

22012

connective tissue, bone and collagen-acting drugs

22014

digestive system

22016

endocrine system

22018

immunological processes and allergy

22020

integumentary system, dental and oral biology

22022

muscle system

22024

neuropharmacology

22026

psychopharmacology

22028

reproductive system; implantation studies

22030

respiratory system

22031

sense organs, associated structures and functions

22032

urinary system

Routes of Immunization, Infection and Therapy

22100

Routes of immunization, infection and therapy

Toxicology

22501

general; methods and experimental

22502

foods, food residues, additives and preservatives

22504

pharmacological toxicology

22505

antidotes and preventative toxicology

22506

environmental and industrial toxicology

22508

veterinary toxicology

Temperature

23001

general measurement and methods

23004

cryobiology

23005

thermotherapy

23006

hypothermia, hyperthermia

23007

thermopathology

23008

thermorhythms

23010

thermoadaptation

23012

thermoregulation

Neoplasms

24001

diagnostic methods

24002

general

24003

immunology

24004

pathology; clinical aspects; systemic effects

24005

neoplastic cell lines

24006

biochemistry

24007

carcinogens and carcinogenesis

24008

therapeutic agents; therapy

24010

blood and reticuloendothelial neoplasms

Gerontology

24500

Gerontology

Pediatrics

25000

Pediatrics

Developmental/Embryology

25502

general and descriptive

25503

pathological

25504

experimental

25508

morphogenesis, general

25552

descriptive teratology/teratogenesis

25554

experimental teratology/teratogenesis

Animal Production

26502

general; methods

26504

feeds and feeding

26506

breeds and breeding

Poultry Production

27002

general; methods

27004

feeds and feeding

27006

breeds and breeding

Microorganisms, General

29500

Microorganisms, general

Bacteriology, General and Systematic

30000

Bacteriology, general and systematic

Morphology and Cytology of Bacteria

30500

Morphology and cytology of bacteria

Physiology and Biochemistry of Bacteria

31000

Physiology and biochemistry of bacteria

Genetics of Bacteria and Viruses

31500

Genetics of bacteria and viruses

Microbiological Apparatus, Methods and Media

32000

Microbiological apparatus, methods and media

Microbiological Ultrastructure

32300

Microbiological ultrastructure

Tissue Culture, Apparatus, Methods and Media

32500

Tissue culture, apparatus, methods and media

In Vitro Studies, Cellular and Subcellular

32600

In vitro studies, cellular and subcellular

Virology

33502

general; methods

33504

bacteriophage

33506

animal host viruses

33508

plant host viruses

Immunology

34502

general; methods

34504

bacterial, viral and fungal

34506

immunohematology, blood groups

34508

immunopathology, tissue immunology

Immunology, Parasitological

35000

Immunology, parasitological

Allergy

35500

Allergy

Medical and Clinical Microbiology

36001

general; methods and techniques

36002

bacteriology

36006

virology

36007

phycology

36008

mycology

36504

serodiagnosis

36506

skin tests

Public Health

37001

general and miscellaneous

37003

epizootiology

37006

public health laboratory methods

37008

disinfection and vector control; pesticides

37010

public health administration and statistics

37012

health services and medical care

37013

occupational health

37014

sewage disposal and sanitary measures

37015

air, water and soil pollution

37017

radiation health

37019

miscellaneous

Public Health: Epidemiology

37052

communicable diseases

37054

organic diseases and neoplasms

37056

miscellaneous

Public Health: Disease Vectors

37057

general

37058

animate

37060

inanimate

Public Health Microbiology

37400

Public health microbiology

Veterinary Science

38002

general; methods

38004

pathology

38006

microbiology

Chemotherapy

38502

general; methods; metabolism

38504

antibacterial agents

38506

antiviral agents

38508

antifungal agents

38510

antiparasitic agents

Food Microbiology

39002

food and beverage spoilage and contamination

39003

food and beverage fermentation

39004

antibiotics, biologics, other agents

39006

biodegradation and biodeterioration

39007

biosynthesis, bioassay and fermentation

39008

general and miscellaneous

Disinfection, Disinfectants and Sterilization

39500

Disinfection, disinfectants and sterilization

Soil Microbiology

40000

Soil microbiology

Cosmetics

42100

Cosmetics

Paleobotany

50000

Paleobotany

Palynology

50100

Palynology

Botany: General/Systematic

50501

cryptogamae (major only)

50503

thallophyta (major only)

50504

algae (major only)

50506

fungi (major only)

50510

lichenes (major only)

50511

embryophyta (major only)

50512

bryophyta (major only)

50513

tracheophyta (major only)

50514

pteridophyta (major only)

50516

spermatophyta (major only)

50518

gymnospermae (major only)

50522

angiospermae (major only)

50524

monocotyledones (major only)

50526

dicotyledones (major only)

50528

floristics and distribution

50530

gen./miscell. (major only)

Morphology, Anatomy and Embryology of Plants

51000

Morphology, anatomy and embryology of plants

Plant Physiology

51502

water relations

51503

temperature

51504

nutrition

51506

photosynthesis

51508

respiration, fermentation

51510

growth, differentiation

51512

reproduction

51514

growth substances

51516

light and radiation effects

51517

electric, magnetic and gravitational phenomena

51518

enzymes

51519

metabolism

51520

translocation, accumulation

51522

chemical constituents

51523

bioluminescence

51524

apparatus and methods

51526

general and miscellaneous

Economic Botany, General

52000

Economic botany, general

Agronomy

52502

general, miscellaneous and mixed crops

52504

grain crops

52506

forage crops and fodder

52508

fiber crops

52510

sugar crops

52512

tobacco crops

52514

oil crops

52518

weed control

Soil Science

52801

general; methods

52803

genesis, morphology, classification, geology

52805

physics and chemistry

52807

fertility and applied studies

Horticulture

53002

temperate zone fruits and nuts

53004

tropical/subtropical fruits ; plantation crops

53006

small fruits

53008

vegetables

53010

flowers and ornamentals

53012

general; miscellaneous and mixed crops

Forestry and Forest Products

53500

Forestry and forest products

Pharmacognosy and Pharmaceutical botany

54000

Pharmacognosy and pharmaceutical botany

Phytopathology

54502

diseases caused by fungi

54504

diseases caused by bacteria

54506

diseases caused by phanerogams

54507

diseases caused by algae

54508

diseases caused by animal parasites

54510

diseases caused by viruses

54512

nonparasitic diseases

54514

parasitism and resistance

54516

disease control

54518

general and miscellaneous

Pest Control: General; Pesticides; Herbicides

54600

Pest control: general; pesticides; herbicides

Economic Entomology

60002

general

60004

field, flower and truck crops

60006

fruits and nuts

60008

stored products

60010

trees, ornamentals and wood products

60012

animal pests

60014

biological control

60015

integrated control

60016

chemical control, general; apparatus

60018

apiculture

60020

sericulture

Parasitology

60502

general

60504

medical

60506

veterinary

Sanitary entomology

61000

Sanitary entomology

Chordata: General/Systematic Zoology

62502

general (major only)

62503

protochordata (major only)

Chordata: General/Systematic

62510

pisces (major only)

62512

amphibia (major only)

62514

amphibia (major only)

62516

reptilia (major only

62518

aves (major only)

62520

mammalia (major only)

Animal Distribution

62800

Animal distribution

Paleozoology

63000

Paleozoology

Invertebrata: General/Systematic

63501

general (major only)

63502

protozoa (major only)

63504

mesozoa (major only)

63506

porifera (major only)

63508

cnidaria (major only)

63509

ctenophora (major only)

63510

platyhelminthes (major only)

63512

rhynchocoela (major only)

63514

acanthocephala (major only)

63516

aschelminthes (major only)

63518

entoprocta (major only)

63520

phoronidea (major only)

63522

ectoprocta (major only)

63524

brachiopoda (major only)

63526

mollusca (major only)

63528

sipunculoidea (major only)

63530

annelida (major only)

63532

echiuroidea (major only)

63534

linguatulida (major only)

63536

tardigrada (major only)

63538

onychophora (major only)

63542

chaetognatha (major only)

63544

hemichordata (major only)

63546

pogonophora (major only)

63548

echinodermata (major only)

63552

arthropoda: general (major only)

63554

arthropoda: crustacea (major only)

63556

arthropoda: myriapoda (major only)

63572

insecta: general (major only)

63573

insecta: coleoptera (major only)

63574

insecta: diptera (major only)

63576

fossil insecta (major only)

63578

insecta: hemiptera

63580

insecta: homoptera (major only)

63582

insecta: hymenoptera (major only)

63584

insecta: lepidoptera (major only)

63586

insecta: neuroptera (major only)

63588

insecta: orthoptera (major only)

63590

insecta: other orders (major only)

63592

chelicerata: general (major only)

63594

chelicerata: arachnida (major only)

63596

chelicerata: acarina (major only)

63597

chelicerata: merostomata (major only)

63598

chelicerata: pycnogonida

Invertebrata: Comparative Experimental Morphology, Physiology and Pathology

64001

general

64002

protozoa

64004

mesozoa

64006

porifera

64008

cnidaria

64009

ctenophora

64010

platyhelminthes

64012

rhynchocoela

64014

acanthocephala

64016

aschelminthes

64018

entoprocta

64020

phoronidea

64022

ectoprocta

64024

brachiopoda

64026

mollusca

64028

sipunculoidea

64030

annelida

64032

echiuroidea

64034

linguatulida

64036

tardigrada

64038

onychophora

64042

chaetognatha

64044

hemichordata

64046

pogonophora

64048

echinodermata

64052

arthropoda: general

64054

arthropoda: crustacea

64056

arthropoda: myriapoda

64060

arthropoda: chelicerata

64072

insecta: general

64074

insecta: morphology, comparative

64076

insecta: physiology

64078

insecta: pathology

Invertebrate Body Regions

64202

general

64204

head

64206

cephalothorax

64208

thorax

64210

abdomen

64212

appendages

64214

hard parts

64216

orifices, pores and cavities

64218

special organs

Paleobiology

64500

Paleobiology

Geological Periods

64702

General and Unspecified

64704

Precambrian

64705

Paleozoic, General

64706

Cambrian

64708

Ordovician

64710

Silurian

64712

Devonian

64714

Carboniferous (Mississippian and Pennsylvanian)

64716

Permian

64717

Mesozoic, General

64718

Triassic

64720

Jurassic

64722

Cretaceous

64723

Cenozoic, General

64724

Tertiary

64726

Pleistocene

64728

Recent

.