The umbilical ring is a dense fibrous ring surrounding the umbilicus at birth. At about the sixth week of embryological development, the midgut herniates through the umbilical ring; four weeks later it returns to the abdominal cavity and rotates around the superior mesenteric artery. Dense embryonic connective tissue encircles the attachment of th...
Found on
http://en.wikipedia.org/wiki/Umbilical_ring
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. ... Synonym: annulus umbilicalis, canalis umbilicalis. ... (05 Mar 2000) ...
Found on
http://www.encyclo.co.uk/local/20973
the orifice in the abdominal wall of the fetus for transmission of the umbilical vein and arteries.
Found on
http://www.encyclo.co.uk/local/21001
Type: Term Definitions: 1. an opening in the linea alba through which the umbilical vessels in the fetus pass; in young embryos, it is relatively nearer to the pubis, but gradually ascends to the center of the abdomen; it is closed in the adult, its site being indicated by the umbilicus or navel. Synonyms: anulus umbilicalis, canalis umbilicalis .....
Found on
http://www.medilexicon.com/medicaldictionary.php?t=78737
No exact match found.
