Glossary of terms used on this site
Glossary of biology.
Glossaries
Term | Main definition |
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intermediate filament |
Glossaries - Biology glossary
cytoskeletal component, comprised of several fibrous protein intertwined strands, that bears tension, supports cell-cell junctions, and anchors cells to extracellular structures |
intermittent symptom |
Glossaries - Biology glossary
symptom that occurs periodically |
internal fertilization |
Glossaries - Biology glossary
fertilization of egg by sperm inside the body of the female |
internal receptor |
Glossaries - Biology glossary
(also, intracellular receptor) receptor protein that is located in the cytosol of a cell and binds to ligands that pass through the plasma membrane |
internal receptor |
Glossaries - Biology glossary
(also, intracellular receptor) receptor protein that is located in the cytosol of a cell and binds to ligands that pass through the plasma membrane |
internode |
Glossaries - Biology glossary
region between nodes on the stem |
intersexual selection |
Glossaries - Biology glossary
selection of a desirable mate of the opposite sex |
interspecific competition |
Glossaries - Biology glossary
competition between species for resources in a shared habitat or environment |
interstitial cell of Leydig |
Glossaries - Biology glossary
cell in seminiferous tubules that makes testosterone |
interstitial fluid |
Glossaries - Biology glossary
fluid between cells |
intertidal zone |
Glossaries - Biology glossary
part of the ocean that is closest to land; parts extend above the water at low tide |
intervertebral disc |
Glossaries - Biology glossary
composed of fibrous cartilage; lies between adjacent vertebrae from the second cervical vertebra to the sacrum |
intestinal phase |
Glossaries - Biology glossary
third digestive phase; begins when chyme enters the small intestine triggering digestive secretions and controlling the rate of gastric emptying |
intine |
Glossaries - Biology glossary
inner lining of the pollen |
intracellular hormone receptor |
Glossaries - Biology glossary
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