title: Studies on boar semen. II. Abnormal mitochondrial helix "pseudo-corkscrew sperm" due to ejaculation in the preputial cavity.
mesh_terms: D000818:Animals; D004542:Ejaculation; D002479:Inclusion Bodies; D008297:Male; D008854:Microscopy, Electron; D008928:Mitochondria / Q000002:abnormalities*; D013094:Spermatozoa / Q000002:abnormalities* / Q000166:cytology / Q000382:microbiology; D013552:Swine; D013553:Swine Diseases