title: Membranous dysmenorrhea in the chimpanzee (Pan troglodytes). A report of four cases.
abstract: A macroscopic and histologic description of membranous dysmenorrhea in chimpanzees is given. The similarity of these cases to those in women make the chimpanzee an interesting model for studies on the presently unknown etiology of membranous dysmenorrhea.
mesh_terms: D000818:Animals; D004412:Dysmenorrhea / Q000473:pathology / Q000662:veterinary*; D004717:Endometrium / Q000473:pathology; D005260:Female; D008598:Menstruation; D002679:Pan troglodytes