Glossary of terms used on this site

Glossary of biology.

Search for glossary terms (regular expression allowed)

Glossaries

Term Main definition
fern
Glossaries - Biology glossary

seedless vascular plant that produces large fronds; the most advanced group of seedless vascular plants

fertilization
Glossaries - Biology glossary
FEV1/FVC ratio
Glossaries - Biology glossary

ratio of how much air can be forced out of the lung in one second to the total amount that is forced out of the lung; a measurement of lung function that can be used to detect disease states

fibrous joint
Glossaries - Biology glossary

joint held together by fibrous connective tissue

fibrous root system
Glossaries - Biology glossary

type of root system in which the roots arise from the base of the stem in a cluster, forming a dense network of roots; found in monocots

fibula
Glossaries - Biology glossary

(also, calf bone) parallels and articulates with the tibia

filament
Glossaries - Biology glossary

thin stalk that links the anther to the base of the flower

first messenger
Glossaries - Biology glossary

the hormone that binds to a plasma membrane hormone receptor to trigger a signal transduction pathway

fixed action pattern
Glossaries - Biology glossary

series of instinctual behaviors that, once initiated, always goes to completion regardless of changes in the environment

flagellum
Glossaries - Biology glossary

(plural = flagella) long, hair-like structure that extends from the plasma membrane and moves the cell

flame cell
Glossaries - Biology glossary

(also, protonephridia) excretory cell found in flatworms

flat bone
Glossaries - Biology glossary

thin and relatively broad bone found where extensive protection of organs is required or where broad surfaces of muscle attachment are required

flexion
Glossaries - Biology glossary

movement in which the angle between the bones decreases; opposite of extension

flight feather
Glossaries - Biology glossary

feather specialized for flight

flow-resistive
Glossaries - Biology glossary

work of breathing performed by the alveoli and tissues in the lung

This website puts documents at your disposal only and solely for information purposes. They can not in any way replace the consultation of a physician or the care provided by a qualified practitioner and should therefore never be interpreted as being able to do so.