title: The head, neck and midpiece of cock spermatozoa examined with the transmission electron microscope.
mesh_terms: D000177:Acrosome / Q000648:ultrastructure; D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D002467:Cell Nucleus / Q000648:ultrastructure; D002645:Chickens; D008297:Male; D008854:Microscopy, Electron; D013077:Sperm Head / Q000648:ultrastructure; D013094:Spermatozoa / Q000648:ultrastructure*