Medically reviewed by Alicen Nelson MD, MPH The navel, also known as the belly button or umbilicus, is a small, round, or ...

It scratches off tiny T-shirt fibers and directs them towards the belly button. So that might be one mystery solved, but lint isn't the only thing inside these bizarre human crevices. Your belly ...

If you have a hernia, you’ll probably notice a soft lump around your belly button, or sometimes in your ... who's cozied up inside your uterus, so a small hole in your abdominal wall has no ...