Glossary with audio assistance
Browse the glossary using this index
Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL
G |
---|
Gametespecialized germ cell. Either sperm or ovum. Contains the haploid (n) number of chromosomes. | |
Ganglion (pl.ganglia)collection of nerve cell bodies in the peripheral nervous system | |
Gaseous exchangethe movement of gases between an organism and its environment; often takes place across a specialized surface, for example the alveoli of the lungs | |
GastritisInflammation of the stomach | |
Gene | |
Genetic damageharmful effects of X-rays which affect the genes of the reproductive cells | |
Genetics the science of inheritance. Physical characteristics and abilities are largely determined by ‘genetic makeup’. In the 1860s, Mendel carried out studies which showed that each organism has physical traits which correspond to invisible elements within the cell. | |
Genotypethe genetic make-up of an animal | |
GeriatricElderly; the term is often used when an animal reaches or exceeds 75% of its expected lifespan | |
Gestationthe period of development of the young from fertilization to birth | |