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Related to accessory placenta: bilobate placenta
a mass of placental tissue distinct from the main placenta.
Etymology: L, accessionis, a thing added, placenta, flat cake
a small placenta that may develop attached to the main placenta by umbilical blood vessels. Also called succenturiate placenta.
accessory placentaSuccenturiate, placenta, supernumerary placenta Obstetrics An extra dollop of placental tissue separate from the main placenta
A placenta separate from the main placenta.
See also: placenta