臍 - navel

navel; belly button

umbilical cord coiling

omphalitis

navel piercing; belly button ring

navel piercing; belly button ring

umbilical cord blood transplant

navel; belly button

umbilical cord prolapse

fur seal (esp. the northern fur seal, Callorhinus ursinus); Alaskan fur seal

secret savings; secret stash; money hidden away

lower abdomen

to regret bitterly; to be very sorry (for); to bite one's navel