title: Rectovaginal constriction in Jersey cattle: ultrastructural features.
mesh_terms: D001003:Anal Canal / Q000648:ultrastructure*; D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000473:pathology*; D003251:Constriction, Pathologic / Q000473:pathology / Q000662:veterinary; D005260:Female; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D012002:Rectal Diseases / Q000473:pathology / Q000662:veterinary*; D014623:Vaginal Diseases / Q000473:pathology / Q000662:veterinary*