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Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
clathrin
Glossaries - Biology glossary

protein that coats the plasma membrane's inward-facing surface and assists in forming specialized structures, like coated pits, for phagocytosis

clavicle
Glossaries - Biology glossary

S-shaped bone that positions the arms laterally

clay
Glossaries - Biology glossary

soil particles that are less than 0.002 mm in diameter

cleavage
Glossaries - Biology glossary

cell divisions subdividing a fertilized egg (zygote) to form a multicellular embryo

climate
Glossaries - Biology glossary

long-term, predictable atmospheric conditions present in a specific area

climax community
Glossaries - Biology glossary

final stage of succession, where a stable community is formed by a characteristic assortment of plant and animal species

cline
Glossaries - Biology glossary

gradual geographic variation across an ecological gradient

clitellum
Glossaries - Biology glossary

specialized band of fused segments, which aids in reproduction

clitoris
Glossaries - Biology glossary

sensory structure in females; stimulated during sexual arousal

cloaca
Glossaries - Biology glossary

common body opening for the digestive, excretory, and reproductive systems found in non-mammals, such as birds

clonal selection
Glossaries - Biology glossary

activation of B cells corresponding to one specific BCR variant and the dramatic proliferation of that variant

clone
Glossaries - Biology glossary

exact replica

closed circulatory system
Glossaries - Biology glossary

system in which the blood is separated from the bodily interstitial fluid and contained in blood vessels

Cnidaria
Glossaries - Biology glossary

phylum of animals that are diploblastic and have radial symmetry

cnidocyte
Glossaries - Biology glossary

specialized stinging cell found in Cnidaria