cotyledon /kot′ilē″don/ [Gk, kotyledon, cup-shaped] , one of the visible segments on the maternal surface of the placenta. A typical placenta may have 15 to 28 cotyledons, each consisting of fetal vessels, chorionic villi, and intervillous space.
cotyledon /kot′ilē″don/ [Gk, kotyledon, cup-shaped] , one of the visible segments on the maternal surface of the placenta. A typical placenta may have 15 to 28 cotyledons, each consisting of fetal vessels, chorionic villi, and intervillous space.