processus vaginalis peritonei
pro·ces·sus va·gi·na·lis of per·i·to·ne·um
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.
Synonym(s): Nuck diverticulum, processus vaginalis peritonei, vaginal process of peritoneum, vaginal process of testis
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