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The belly button is unique to each individual due to it being a scar, and various general forms have been classified by medical practitioners. [6] [7] [further explanation needed] Outie: A navel consisting of the umbilical tip protruding past the periumbilical skin is an outie. Essentially any navel which is not concave.
Generally, the duct fully obliterates (narrows and disappears) during the 5–6th week of fertilization age (9th week of gestational age), but a failure of the duct to close is termed a vitelline fistula. This results in discharge of meconium from the navel (umbilicus). [2]
An umbilical hernia is a health condition where the abdominal wall behind the navel is damaged. It may cause the navel to bulge outwards—the bulge consisting of abdominal fat from the greater omentum or occasionally parts of the small intestine. The bulge can often be pressed back through the hole in the abdominal wall, and may "pop out" when ...
A case report of strangulated umbilical hernia with Meckel's diverticulum has also been published in the literature. [23] Furthermore, it can be attached to the umbilical region by the vitelline ligament, with the possibility of vitelline cysts, or even a patent vitelline canal forming a vitelline fistula when the umbilical cord is cut.
In placental mammals, the umbilical cord (also called the navel string, [1] birth cord or funiculus umbilicalis) is a conduit between the developing embryo or fetus and the placenta. During prenatal development , the umbilical cord is physiologically and genetically part of the fetus and (in humans) normally contains two arteries (the umbilical ...
The small opening on the skin surface, or the stoma, is typically located either in the navel or nearby the navel on the right lower side of the abdomen. [3] Originally developed by Professor Paul Mitrofanoff in 1980, the procedure represents an alternative to urethral catheterization [ 4 ] and is sometimes used by people with urethral damage ...
Urachal fistula: there is free communication between the bladder and umbilicus; Urachal diverticulum (vesicourachal diverticulum): the bladder exhibits outpouching [2] Urachal sinus: the pouch opens toward the umbilicus [3] The urachus is also subject to neoplasia. Urachal adenocarcinoma is histologically similar to adenocarcinoma of the bowel ...
The flexible port that can be fitted through a small incision in the navel to allow surgeons to use up to three laparoscopic devices simultaneously. Certain articulating instruments can be inserted through such specialized ports, providing surgeons with maneuverability and access to the target tissue from a single access point. [ 4 ]