Spermatozoa and spermatogenesis in homalorhagha kinorhyncha.
D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure; D003599:Cytoskeleton / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D006056:Golgi Apparatus / Q000648:ultrastructure; D006376:Helminths / Q000502:physiology*; D008297:Male; D009940:Organoids / Q000648:ultrastructure; D013077:Sperm Head / Q000648:ultrastructure; D013081:Sperm Motility; D013082:Sperm Tail / Q000648:ultrastructure; D013087:Spermatids / Q000648:ultrastructure; D013091:Spermatogenesis; D013094:Spermatozoa / Q000648:ultrastructure*