Definition of omphalomesenteric in English:

omphalomesenteric

adjective

Anatomy Embryology
  • Of or relating to the umbilicus (navel) and the mesentery; specifically designating fetal structures that connect the yolk sac or umbilical vesicle with the embryonic gut (now usually called vitelline).

Origin

Early 18th century (in an earlier sense). From omphalo- + mesenteric.