title: A freeze-etching study of rabbit spermatozoa with particular reference to head structures.
mesh_terms: D000818:Animals; D002467:Cell Nucleus; D003593:Cytoplasm; D005613:Freeze Etching; D005615:Freezing; D006652:Histological Techniques; D008297:Male; D008722:Methods; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D011817:Rabbits; D013094:Spermatozoa / Q000166:cytology*