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Glossary of terms used on this site

Glossary of biology.

Search for glossary terms (regular expression allowed)

Glossaries

Term Main definition
anthropoid
Glossaries - Biology glossary

monkeys, apes, and humans

anti-diuretic hormone (ADH)
Glossaries - Biology glossary

hormone that prevents the loss of water

antibiotic
Glossaries - Biology glossary

biological substance that, in low concentration, is antagonistic to the growth of prokaryotes

antibiotic resistance
Glossaries - Biology glossary

ability of an organism to be unaffected by an antibiotic's actions

antibody
Glossaries - Biology glossary

protein that is produced by plasma cells after stimulation by an antigen; also known as an immunoglobulin

anticodon
Glossaries - Biology glossary

three-nucleotide sequence in a tRNA molecule that corresponds to an mRNA codon

antidiuretic hormone (ADH)
Glossaries - Biology glossary

hormone produced by the hypothalamus and released by the posterior pituitary that increases water reabsorption by the kidneys

antigen
Glossaries - Biology glossary

foreign or “non-self” protein that triggers the immune response

antigen-presenting cell (APC)
Glossaries - Biology glossary

immune cell that detects, engulfs, and informs the adaptive immune response about an infection by presenting the processed antigen on the cell surface

antioxidant
Glossaries - Biology glossary

agent that prevents cell destruction by reactive oxygen species

antipodals
Glossaries - Biology glossary

the three cells away from the micropyle

antiporter
Glossaries - Biology glossary

transporter that carries two ions or small molecules in different directions

Anura
Glossaries - Biology glossary
anus
Glossaries - Biology glossary

exit point for waste material

aorta
Glossaries - Biology glossary

major artery of the body that takes blood away from the heart