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Z 422

Comparative Anatomy

TermDefinition
Amnion The part of an egg that comes from the somatopleure (outside)
Chorion The part of an egg that comes from the somatopleure (inside)
Allantois The part of an egg that comes from the splanchnopleure
Somatopleure Combination of somatic mesoderm and ectoderm
Splanchnopleure Combination of splanchnic mesoderm and endoderm
Peramorphosis Exaggerated development of somatic cells
Paedomorphosis Suppressed development of somatic cells
Progenesis Growth stops at an early age; animal still becomes sexually mature
Neoteny Features grow at a slower rate
Postdisplacement Feature appears late in development and does not reach adult form by the end of maturation
Hypermorphosis Growth of parts extends beyond the normal growth
Acceleration Growth occurs faster than normal growth rate
Predisplacement Growth is more advanced in its development
Hyomandibula Bone that becomes the stapes in mammals
Articular Bone that becomes the malleus in mammals
Quadrate Bone that becomes the incus in mammals
Created by: 100000033006215