Spermatogenesis in animals as revealed by electron microscopy. VIII. Relation between the nutritive cells and the developing spermatids in a pond snail, Cipangopaludina malleata Reeve.
D000818:Animals; D002467:Cell Nucleus; D003593:Cytoplasm; D004721:Endoplasmic Reticulum; D006372:Helix, Snails; D008297:Male; D008854:Microscopy, Electron; D061005:Ponds; D012908:Snails; D013087:Spermatids; D013091:Spermatogenesis; D013094:Spermatozoa
SPERMATOZOA