umbilical ringmedical dictionary

An opening in the linea alba through which pass the umbilical vessels in the foetus; in young embryos it is relatively nearer to the pubis, but gradually ascends to the centre of the abdomen; it is closed in the adult, its site being indicated by the umbilicus or navel.

Synonyms: annulus umbilicalis, canalis umbilicalis.

(05 Mar 2000)