umbilical cord

Значение термина umbilical cord в knolik

umbilical cord - umbilical cord
umbilical cord - Stalk projecting from ventral surface of embryo of placental mammals, connecting it to placenta. Consists mainly of the mesoderm and blood-vessels of allantois, containing also part or all of the cavities of yolk-sac and allantois. Cord is surrounded by amniotic cavity. Usually breaks or is broken through at birth.

Рядом со словом umbilical cord в knolik

umbelВ начало
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