Navel Navel The navel (clinically known as the umbilicus, colloquially known as the belly button, or tummy button) is a protruding, flat, or hollowed area on the abdomen at the attachment site of the umbilical cord. All placental mammals have a navel. The umbilicus is used to visually separate the abdomen into quadrants. The umbilicus is a prominent scar on the abdomen, with its position being relatively consistent among humans. The skin around the waist at the level of the umbilicus is supplied by the tenth thoracic spinal nerve (T10 dermatome). The umbilicus itself typically lies at a vertical level corresponding
Cultural views on the navel the 2000s, it became common among young women to expose their belly buttons by rolling up their shirts similar to a crop-top. During sport events such as football, the female audience apply body paints or temporary tattoos around their belly buttons. In 2010, Korean girl group Rainbow's dance routine that involved lifting up their shirts to expose their navels became popular. The band stated in an interview, "We have to keep our abs in shape for the belly button dance." But the routine was subsequently has been banned. The SBS TV show "Inkigayo" told girl groups to restrain showing their