Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
B cell
Glossaries - Biology glossary

lymphocyte that matures in the bone marrow and differentiates into antibody-secreting plasma cells

B horizon
Glossaries - Biology glossary

soil layer that is an accumulation of mostly fine material that has moved downward

back mutation
Glossaries - Biology glossary

when a live virus vaccine reverts back to it disease-causing phenotype

bacteriophage
Glossaries - Biology glossary

virus that infects bacteria

balanced chemical equation
Glossaries - Biology glossary

statement of a chemical reaction with the number of each type of atom equalized for both the products and reactants

ball-and-socket joint
Glossaries - Biology glossary

joint with a rounded, ball-like end of one bone fitting into a cuplike socket of another bone

barcoding
Glossaries - Biology glossary

molecular biology technique in which one or more short gene sequences taken from a well characterized portion of the genome is used to identify a species

bark
Glossaries - Biology glossary

tough, waterproof, outer epidermal layer of cork cells

basal angiosperms
Glossaries - Biology glossary

a group of plants that probably branched off before the separation of monocots and eudicots

basal ganglia
Glossaries - Biology glossary

interconnected collections of cells in the brain that are involved in movement and motivation; also known as basal nuclei

basal metabolic rate (BMR)
Glossaries - Biology glossary

metabolic rate at rest in endothermic animals

basal nuclei
Glossaries - Biology glossary
basal taxon
Glossaries - Biology glossary

branch on a phylogenetic tree that has not diverged significantly from the root ancestor

base
Glossaries - Biology glossary

molecule that donates hydroxide ions or otherwise binds excess hydrogen ions and decreases the hydrogen ions' concentration in a solution

basic science
Glossaries - Biology glossary

science that seeks to expand knowledge and understanding regardless of the short-term application of that knowledge

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