The egg cortex in early development of sea urchins and starfish.
The cytoplasm can no longer be looked upon as so much passive material which the nucleus elaborates during development, but it has a complex organization and a development which may be synchronous with certain changes in the nucleus and the division mechanism, and yet is independent of these.
Schroeder
T E
TE
Friday Harbor Laboratory, University of Washington, Washington 98250.
D000818:Animals; D008954:Models, Biological; D009866:Oogenesis; D010063:Ovum / Q000502:physiology / Q000648:ultrastructure*; D012617:Sea Urchins / Q000502:physiology*; D013215:Starfish / Q000502:physiology*