Navel size, informed by the belief that the navel symbolized the center where life began. In Mediterranean culture, belly dancing is a popular art form that consists of dance movements focused on the torso and 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
Navel to the junction between the L3 and L4 vertebrae, with a normal variation among people between the L3 and L5 vertebrae. Parts of the adult navel include the "umbilical cord remnant" or "umbilical tip", which is the scar left by the detachment of the umbilical cord. This is located in the centre of the navel, sometimes described as the "button". Attached round the umbilical cord remnant, is the "umbilical collar", formed by the dense fibrous umbilical ring. Surrounding this is the periumbilical skin. Directly behind the navel is a thick fibrous cord formed from the umbilical cord, called the urachus,