title: Observations on the postacrosomal region and the neck membranes of rabbit spermatozoa stained en bloc with uranyl acetate.
mesh_terms: D000818:Animals; D002462:Cell Membrane; D002467:Cell Nucleus; D008297:Male; D008854:Microscopy, Electron; D011817:Rabbits / Q000033:anatomy & histology*; D013094:Spermatozoa / Q000166:cytology*; D013194:Staining and Labeling