Electron microscopic observations on the nurse cells in sea urchin ovary.
D000818:Animals; D001947:Breeding; D003594:Cytoplasmic Granules / Q000166:cytology; D003681:Dehydration; D004447:Echinodermata / Q000166:cytology*; D006003:Glycogen; D008854:Microscopy, Electron; D009747:Nutritional Physiological Phenomena
D006003:Glycogen