title: Ultrastructure of the sperm tail.
mesh_terms: D000818:Animals; D002462:Cell Membrane / Q000648:ultrastructure; D002465:Cell Movement; D002467:Cell Nucleus / Q000648:ultrastructure; D003593:Cytoplasm / Q000648:ultrastructure; D005407:Flagella / Q000648:ultrastructure; D006801:Humans; D008297:Male; D008854:Microscopy, Electron; D013091:Spermatogenesis; D013094:Spermatozoa / Q000502:physiology / Q000648:ultrastructure*