Terminology Flashcards
(18 cards)
Germline cell
Cell that has the potential to undergo meiosis and become a haploid gamete.
Somatic cell
Cell that makes up parts of the body - will not become a gamete.
Paedomorphy
Condition where the adult retains jeuvenile traits.
Neoteny
Somatic cells develop slower (germ-line cells develop at Normal rate)
Progenisis
Germline cell developes at accelerated rate (somatic cells develope at normal rate)
Heterochrony
Evolved differences in developmental timing.
Physiology
Mechanisms of life - how things work.
Transducer
Device that converts one form of energy to another.
Aggregate
Structure formed from a mass of fragments compacted together.
Wet weight
Weight of any quantity of a substance before it is dried
Inferences
A conclusion drawn from evidence and reasoning - use your knowledge.
Degenerative
Getting steadily worse.
Chronic
Continueing for a long time.
Fibrosis
Thickening and scarring of connective tissue.
Strain
To stretch tight.
Stress
Deformation.
Germ layer
Primary layer of cells that form during embryogenesis.
Disparity
Phenotypic differences in members of a taxa