part of part of has developmental contribution from has developmental contribution from tissue abdomen umbilical cord umbilicus galen:Umbilicus FMA:61584 umbilical part of abdomen The pit in the center of the abdominal wall marking the point where the umbilical cord entered in the fetus. GAID:29 UBERON:0007118 NCIT:C77533 SCTID:243961003 navel MESH:D014472 Wikipedia:Navel umbilical region