The ultrastructure of the nuclear membrane of the sea urchin oocyte as studied with the electron microscope.
D000818:Animals; D004447:Echinodermata; D004583:Electrons; D008853:Microscopy; D008854:Microscopy, Electron; D009685:Nuclear Envelope; D009865:Oocytes; D010063:Ovum; D012617:Sea Urchins
ECHINODERMS; MICROSCOPY, ELECTRON; OVUM