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 as his model. The uptake of the new-style swimsuit was very slow, and even then the bikini was not regarded as suitable clothing beyond the beach or pool. During the 1960s, Mary Quant's designs featured exposed navels and bare midriffs. Exposure of the male navel was limited well into the 1960s. The swimwear covered the lower abdomen and usually the navel. Occasionally the swimwear would be worn immediately below the navel. The swimwear evolved to longer legs and lower waist line. Male swimwear could not be worn above the navel nor below the knee in events of the National Collegiate