Umbilical n. : Of or pertaining to an umbilicus, or umbilical cord; umbilic.

Umbilical n. : Pertaining to the center; central.

Example:
what is a Umbilical hernia in a dog and is it dangerous and hereditary?

Taxonomy
umbilical cord, cord, blood, birth, fetus, cord blood, clamp, placenta, umbilical vein, umbilical arteries, carries, infants, Newborn child, humans, free encyclopedia, arteries, vein, nutrient.

Defination from the web:
umbilical cord (also called the birth cord or funiculus umbilicalis) is the connecting cord from the developing embryo or fetus to the placenta. ... Within the fetus, the umbilical vein continues towards the transverse fissure of the liver, where it splits into two. ...