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The linea alba (Latin for: white line) is a strong fibrous midline structure [1] of the anterior abdominal wall [2] situated between the two recti abdominis muscles (one on either side). The umbilicus (navel) is a defect in the linea alba through which foetal umbilical vessels pass before birth. [ 1 ]
The navel (specifically abdominal wall) would be considered an umbilical hernia if the protrusion were 5 centimeters or more. The diameter of an umbilical hernia is usually 1/2-inch or more. [ 9 ] While the shape of the human navel may be affected by long term changes to diet and exercise, unexpected change in shape may be the result of ascites .
Posterior view of the anterior abdominal wall in its lower half. The peritoneum is in place, and the various cords are shining through. Median umbilical ligament is not labeled, but it is located just underneath the median umbilical fold, seen in the center of the diagram
The medial umbilical ligament, cord of umbilical artery, or obliterated umbilical artery is a paired structure found in human anatomy. It is on the deep surface of the anterior abdominal wall , and is covered by the medial umbilical folds ( plicae umbilicales mediales ).
one median umbilical fold on the median umbilical ligament (which in turn, contains the urachus) two medial umbilical folds on the occluded umbilical artery two lateral umbilical folds on the inferior epigastric vessels
The transumbilical plane or umbilical plane, one of the transverse planes in human anatomy, is a horizontal line that passes through the abdomen at the level of the navel (or umbilicus). In physical examination, clinicians use the transumbilical plane and its intersection with the median plane to divide the abdomen into four quadrants.
The Umbilical cord stump, left behind after omphalotomy. Omphalotomy is the medical procedure that involves the cutting of the umbilical cord after childbirth. [1] The word omphalotomy is derived from the prefix omphal(o)-, from the Ancient Greek word ὀμφαλός (omphalós), meaning navel, and the suffix-tomy, also from Ancient Greek, meaning incision.
Abdominal ultrasound can be used to visualize the insertion site of the umbilical cord. [ 3 ] [ 4 ] Overall, visualization is most successful in the second trimester, [ 13 ] however routine ultrasound examination in the second trimester may not detect velamentous cord insertion if the condition develops after the remodelling of the placenta as ...