noun
: either of a pair of arteries that arise from the hypogastric arteries of the mammalian fetus and pass through the umbilical cord to the placenta to which they carry the impure blood from the fetus
noun
: either of a pair of arteries that arise from the hypogastric arteries of the mammalian fetus and pass through the umbilical cord to the placenta to which they carry the impure blood from the fetus
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012