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Glossary of terms used on this site

Glossary of biology.

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Glossaries

Term Main definition
blastopore
Glossaries - Biology glossary

opening into the archenteron that forms during gastrulation

blastopore
Glossaries - Biology glossary

opening into the archenteron that forms during gastrulation

blastula
Glossaries - Biology glossary

16–32 cell stage of development of an animal embryo

blending theory of inheritance
Glossaries - Biology glossary

hypothetical inheritance pattern in which parental traits are blended together in the offspring to produce an intermediate physical appearance

blood pressure (BP)
Glossaries - Biology glossary

pressure of blood in the arteries that helps to push blood through the body

blood urea nitrogen (BUN)
Glossaries - Biology glossary

estimate of urea in the blood and an indicator of kidney function

body plan
Glossaries - Biology glossary

morphology or defining shape of an organism

bolus
Glossaries - Biology glossary

mass of food resulting from chewing action and wetting by saliva

bone
Glossaries - Biology glossary

(also, osseous tissue) connective tissue that constitutes the endoskeleton

bone remodeling
Glossaries - Biology glossary

replacement of old bone tissue by new bone tissue

botany
Glossaries - Biology glossary

study of plants

bottleneck effect
Glossaries - Biology glossary

magnification of genetic drift as a result of natural events or catastrophes

botulism
Glossaries - Biology glossary

disease produced by the toxin of the anaerobic bacterium Clostridium botulinum

Bowman's capsule
Glossaries - Biology glossary

structure that encloses the glomerulus

brachiation
Glossaries - Biology glossary

movement through trees branches via suspension from the arms