Terminology Service for NFDI4Health
umbilical ring
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http://purl.obolibrary.org/obo/UBERON_0016504
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. [ http://en.wikipedia.org/wiki/Umbilical_ring ]