Assertion: umbilical cord's remnant | /r/AtLocation | the umbilicus
Facets:
Source sentences:
text: Umbilical disorders can be classified according to embryonic remnants contained in the umbilicus, including the urachus, omphalomesenteric duct, and round ligament of the liver; the extraperitoneal paravesical spaces; the umbilical ring; and the umbilicus itself.