umbilical cord

umbilical cord defined in 1951 year

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.

near umbilical cord in Knolik

letter "U"
start from "UM"

definition of word "umbilical cord" was readed 1481 times

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