part of part of artery arterial system embryo portion of umbilical artery UBERON:0011694 Each of the two arteries arising from the hypogastric arteries of the fetus and passing throught the umbilical cord to the placenta. Each of the two arteries arising from the hypogastric arteries of the fetus and passing throught the umbilical cord to the placenta. [Dorian_AF, Elsevier's_encyclopaedic_dictionary_of_medicine, Part_B:_Anatomy_(1988)_Amsterdam_etc.:_Elsevier][VHOG] embryonic umbilical artery VHOG:0000599