Umbilicus.
Naval
umbilical area
Abdomen
A belly button ring is a body piercing placed in a cauterized area of the belly button.
Because it somewhat resembles a button and it is on your belly.
This is called the pyloric region. A sphincter called the pyloric sphincter is found there.
belly button
A belly piercing is a piercing on the belly button. Where your belly button might go in or out, it is the slight arch you get just above it. it is a piercing through that area. depending on how your belly button is formed. Search google for images.
Yes. "Belly button" is another name for a person's naval.
Umbilical Knot 'Navel' is more common The "Navel" is the area around the "belly button"
a dirty navel
The navel.
Appendicitis