【医】 belly button
hilum; navel; omphalos; umbilicus
【医】 belly-button; mesompharion; navel; omphalo-; omphalos; omphalus; umb.
umbilicus
aperture; bore; foramen; hole; os; ostium; vulva
【化】 hole; opening
【医】 apertura; aperturae; aperture; bore; coel-; foramen; foramina; hiatus
mesh; opening; pore; Pori; porosity; porus; trema