Glossary of terms used on this site

Glossary of biology.

Search for glossary terms (regular expression allowed)

Glossaries

Term Main definition
genus
Glossaries - Biology glossary

division of family in the taxonomic classification system; the first part of the binomial scientific name

geographical variation
Glossaries - Biology glossary

differences in the phenotypic variation between populations that are separated geographically

geometric isomer
Glossaries - Biology glossary

isomer with similar bonding patterns differing in the placement of atoms alongside a double covalent bond

germ cells
Glossaries - Biology glossary

specialized cell line that produces gametes, such as eggs or sperm

germ layer
Glossaries - Biology glossary

collection of cells formed during embryogenesis that will give rise to future body tissues, more pronounced in vertebrate embryogenesis

gestation
Glossaries - Biology glossary

length of time for fetal development to birth

gibberellin (GA)
Glossaries - Biology glossary

plant hormone that stimulates shoot elongation, seed germination, and the maturation and dropping of fruit and flowers

gigantism
Glossaries - Biology glossary

condition caused by overproduction of GH in children

gill circulation
Glossaries - Biology glossary

circulatory system that is specific to animals with gills for gas exchange; the blood flows through the gills for oxygenation

ginkgophyte
Glossaries - Biology glossary

gymnosperm with one extant species, the Ginkgo biloba: a tree with fan-shaped leaves

gizzard
Glossaries - Biology glossary

muscular organ that grinds food

glabrous
Glossaries - Biology glossary

describes the non-hairy skin found on palms and fingers, soles of feet, and lips of humans and other primates

glia
Glossaries - Biology glossary

(also, glial cells) cells that provide support functions for neurons

gliding movement
Glossaries - Biology glossary

when relatively flat bone surfaces move past each other

global climate change
Glossaries - Biology glossary

altered global weather patterns, including a worldwide increase in temperature, due largely to rising levels of atmospheric carbon dioxide

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.