Navel

The belly button, also briefly called the navel ( umbilicus lat, gr omphalos, also anulus umbilicalis, literally the navel ring ), is formed in all placental animals ( higher mammals but not in marsupials ), including the people according to their birth. It is the place centrally on the front of the abdomen, at the during pregnancy while growing in the womb, the umbilical cord has grown, the need for life and growth substances in the blood circulation of the mother through the placenta exchanges.

After birth, the umbilical cord and removing fuses the belly button and closes itself. In some way then it may be referred to as scar.

Navel in humans

There are many optical manifestations of navels. The development depends on many factors: genetic factors, nature of the abdominal muscles, dealing with the belly button after birth, physical stress, etc. can be basic distinction of the convex plate-like turned inside out navel and the frequent introverted navel. The inwardly facing may have uniform concentric folds in the interior, two jaw-like successive ironing protuberances or irregular adhesions. In more pronounced belly, he appears as greater depression.

Is relevant Medical navel in inflammation, eg triggered by poor hygiene or umbilical hernia repairs ( hernia ). An umbilical hernia makes a visit to the doctor advisable as abdominal organs can become trapped in the hernia. While an existing umbilical hernia in infancy usually grows together in the first years of life, no longer disappear over the age of puberty, existing umbilical hernia.

For decorating the belly button is used since the late 20th century in the western industrialized countries piercings, usually from a skin-compatible metal alloy. From early and archaic cultures similar ornaments are known.

Umbilical anomalies

When umbilical anomaly is a congenital disorder called the navel.

Umbilical blood flow

The umbilical blood flow in newborn infants - ICD -10: P51 - usually represents is a less serious event in which there is bleeding from the not yet epithelialized navel base. If the cause of the self- loosening of Nabelligatur, this is classified as P51.8. Serious (massive ) navel bleeding must be fed further clarification. The reasons are a clotting disorder or abnormal pressure conditions in the umbilical cord vessels, as can occur with heart defects. An umbilical blood flow due to an inflamed umbilical cord ( omphalitis ) is classified under P38.