<prompt> Proximal pa of umbilical aery gives rise to?Median umbilical ligamentlateral umbilical ligamentSuperior vesical aeryInferior vesical aery  <response>: Umbilical aeries - seen as continuations of the right and left dorsal aoae, before their fusion. After fusion, they are seen as lateral branches of the single dorsal aoa Cross the 5th lumbar intersegmental aery pa of umbilical aery, btw the aoa and the anastomosis with internal iliac, disappears so that umbilical aery is now seen as a branch of the internal iliac Post natal life - proximal pa of the umbilical aery becomes the superior vesical aery, while its distal pa is obliterated to form the medial umbilical ligament Reference : I B Singhs Embryology, 10th edition, pg 264 