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passage of the placenta from the uterus with the rough side foremost.
Dun·can mech·a·nism(dŭng'kăn mek'ă-nizm)
Passage of the placenta from the uterus with the rough side foremost.
The progress of placental separation inward from the edges, presenting the maternal surface of the placenta on expulsion.See: Schulze mechanism
Delivery of the placenta when separation begins at the outer margins and progresses inward, presenting the rough maternal side first.
See also: mechanism
Duncan,James M., Scottish gynecologist, 1826-1890.
Duncan endometrial biopsy curette
Duncan endometrial curette
Duncan fold - the folds on the peritoneal surface of the uterus immediately after delivery.
Duncan mechanism - passage of the placenta from the uterus with the rough side foremost.
Duncan ventricle - a slitlike, fluid-filled space of variable width between the left and right transparent septum, which may communicate with the third ventricle. Synonym(s): cavity of septum pellucidum