Glossary of terms used on this site
Glossary of biology.
Glossaries
Term | Main definition |
---|---|
T cell |
Glossaries - Biology glossary
lymphocyte that matures in the thymus gland; one of the main cells involved in the adaptive immune system |
Tachyglossidae |
Glossaries - Biology glossary
clade that includes the echidna or spiny anteater |
tadpole |
Glossaries - Biology glossary
larval stage of a frog |
tap root system |
Glossaries - Biology glossary
type of root system with a main root that grows vertically with few lateral roots; found in dicots |
target cell |
Glossaries - Biology glossary
cell that has a receptor for a signal or ligand from a signaling cell |
tarsal |
Glossaries - Biology glossary
one of the seven bones of the ankle |
tastant |
Glossaries - Biology glossary
food molecule that stimulates gustatory receptors |
taste bud |
Glossaries - Biology glossary
clusters of taste cells |
TATA box |
Glossaries - Biology glossary
conserved promoter sequence in eukaryotes and prokaryotes that helps to establish the initiation site for transcription |
taxis |
Glossaries - Biology glossary
directed movement in response to a stimulus |
TCA cycle |
Glossaries - Biology glossary
(also citric acid cycle) alternate name for the citric acid cycle, named after the group name for citric acid, tricarboxylic acid (TCA); see citric acid cycle |
tegmen |
Glossaries - Biology glossary
inner layer of the seed coat |
teichoic acid |
Glossaries - Biology glossary
|
telomerase |
Glossaries - Biology glossary
enzyme that contains a catalytic part and an inbuilt RNA template; it functions to maintain telomeres at chromosome ends |
telomere |
Glossaries - Biology glossary
DNA at the end of linear chromosomes |