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Glossary of terms used on this site

Glossary of biology.

Search for glossary terms (regular expression allowed)

Glossaries

Term Main definition
effector cell
Glossaries - Biology glossary

lymphocyte that has differentiated, such as a B cell, plasma cell, or cytotoxic T lymphocyte

efferent arteriole
Glossaries - Biology glossary

arteriole that exits from the glomerulus

elastase
Glossaries - Biology glossary

pancreatic protease

elastic recoil
Glossaries - Biology glossary

property of the lung that drives the lung tissue inward

elastic work
Glossaries - Biology glossary

work conducted by the intercostal muscles, chest wall, and diaphragm

electrocardiogram (ECG)
Glossaries - Biology glossary

recording of the electrical impulses of the cardiac muscle

electrochemical gradient
Glossaries - Biology glossary

a combined electrical and chemical force that produces a gradient

electrogenic pump
Glossaries - Biology glossary

pump that creates a charge imbalance

electrolyte
Glossaries - Biology glossary

ion necessary for nerve impulse conduction, muscle contractions, and water balance

electrolyte
Glossaries - Biology glossary

solute that breaks down into ions when dissolved in water

electromagnetic spectrum
Glossaries - Biology glossary

range of all possible frequencies of radiation

electron
Glossaries - Biology glossary

negatively charged subatomic particle that resides outside of the nucleus in the electron orbital; lacks functional mass and has a negative charge of –1 unit

electron configuration
Glossaries - Biology glossary

arrangement of electrons in an atom’s electron shell (for example, 1s2 2s2 2p6 )

electron microscope
Glossaries - Biology glossary

an instrument that magnifies an object using an electron beam that passes and bends through a lens system to visualize a specimen

electron orbital
Glossaries - Biology glossary

how electrons are spatially distributed surrounding the nucleus; the area where we are most likely to find an electron