Medial umbilical fold
Peritoneal elevation in the abdomen From Wikipedia, the free encyclopedia
The medial umbilical fold is an elevation of the peritoneum (on either side of the body) lining the inner surface of the lower anterior abdominal wall formed by the underlying medial umbilical ligament (the obliterated distal portion of the umbilical artery) which the peritoneum covers.[1] Superiorly, the two medial umbilical folds converge towards the midline to meet and terminate at the umbilicus.[2]
| Medial umbilical fold | |
|---|---|
The median umbilical fold corresponds to the elevation produced by what is here labelled as "Umbilical artery (remnant)" on this diagram of a transverse section of the lower anterior abdominal wall (note that it is bilaterally paired - though not labelled for other side). | |
| Details | |
| Identifiers | |
| Latin | plica umbilicalis medialis |
| Anatomical terminology | |
The unpaired midline median umbilical ligament lies medially to each medial umbilical fold; a lateral umbilical fold lies lateral to either medial umbilical fold.[2] A supravesical fossa lies between the median umbilical fold and either medial umbilical fold on either side. A medial inguinal fossa lies between the median umbilical fold and lateral umbilical fold of the same side on either side.[1]
References
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