part of part of embryo peritoneum abdominal wall peritoneal vaginal process processus vaginalis peritoneus vaginal process of testis UBERON:0005344 vaginal process of peritoneum vaginal process processus vaginalis A peritoneal diverticulum in the embryonic lower anterior abdominal wall that traverses the inguinal canal. In the male it forms the tunica vaginalis testis and normally loses its connection with the peritoneal cavity; a persistent processus vaginalis in the female is known as the canal of Nuck[MP]. Wikipedia:Processus_vaginalis peritoneal diverticulum vaginal process of peritoneum SCTID:362726001 vaginal process of the peritoneum fold of peritoneum