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 there it was stretched hither and yon. Where is its navel? Jerusalem. And its (Jerusalem's) navel itself? The altar." This passage describes how the centrality of the ancient city of Jerusalem and of the altar of the ancient temple of Jerusalem within cosmic framework was equated to the navel of a mother and the source of life. This is also seen in the Book of Jubilees 8:19 and Book of Enoch 26:1 where it is describes Mount Zion as "The center of the navel of the earth". In Samaritan tradition Mount Gerizim is described as the navel of the earth,