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 covered by jewelry as seen when the fringe from her top was not covering it. In 1969, Mariette Hartley was not allowed to show her belly button in "" (1969), the penultimate episode of Gene Roddenberry's "Star Trek". Gene had Mariette expose not one but two belly buttons in the sci-fi film "Genesis II" (1973). In "The Sonny & Cher Comedy Hour" (1971–74), network censors feared Cher's navel exposure would become a cause célèbre at CBS. Cher once commented, "There were so many things that were censored—ideas and words. All I know is I got in trouble for showing my