Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
P0
Glossaries - Biology glossary

parental generation in a cross

P680
Glossaries - Biology glossary
P700
Glossaries - Biology glossary

reaction center of photosystem I

Pacinian corpuscle
Glossaries - Biology glossary

encapsulated mechanoreceptor in the skin that responds to deep pressure and vibration

Paleognathae
Glossaries - Biology glossary

ratites; flightless birds, including ostriches and emus

paleontology
Glossaries - Biology glossary

study of life’s history by means of fossils

palmately compound leaf
Glossaries - Biology glossary

leaf type with leaflets that emerge from a point, resembling the palm of a hand

Pan
Glossaries - Biology glossary

genus of chimpanzees and bonobos

pancreas
Glossaries - Biology glossary

gland that secretes digestive juices

pancreas
Glossaries - Biology glossary

organ located between the stomach and the small intestine that contains exocrine and endocrine cells

pandemic
Glossaries - Biology glossary

widespread, usually worldwide, epidemic disease

papilla
Glossaries - Biology glossary

one of the small bump-like projections from the tongue

paracentric
Glossaries - Biology glossary

inversion that occurs outside the centromere

paracrine signal
Glossaries - Biology glossary

signal between nearby cells that is delivered by ligands traveling in the liquid medium in the space between the cells

parafollicular cell
Glossaries - Biology glossary

thyroid cell that produces the hormone calcitonin

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