Navel - Wikipedia
The navel (clinically known as the umbilicus; pl.: umbilici or umbilicuses; commonly 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. [1]
I’ve always wondered: what’s behind the belly button?
2017年10月26日 · When a baby is born, the lifeline between the mother and child (the umbilical cord) is cut, and the shrivelled remains become the belly button on the outside. What happens inside?
Umbilicus: Anatomy and function - Kenhub
2023年10月30日 · The umbilicus is composed of four distinct anatomical structures: the mamelon, cicatrix, cushion and furrows. The mamelon is the area of the central hump of the umbilicus.
What Purpose Does the Belly Button Serve? - Mental Floss
2019年9月26日 · Your umbilical cord was cut when you were born, creating a tiny bulge that left behind some scar tissue after it healed. That scar tissue is your belly button, navel, or umbilicus.
Understanding Your Belly Button: Anatomy, Types, Infections
2024年6月10日 · In humans, navels come in various shapes and sizes, and the belly button anatomy is determined by how the scar heals and dries after the umbilical cord is cut. Navel shape is just an individual trait, just like how some people have dimples.
Ship Shapes Anatomy and types of Naval Vessels - NHHC
2019年1月31日 · While the objective of all seagoing personnel should be to recognize important ships or types at a glance, familiarity with the details of naval design illustrated in the following pages may...
Navel | anatomy | Britannica
2024年10月9日 · Navel, in anatomy, a small depression in the abdominal wall at the point of attachment of the umbilical cord (q.v.). It indicates the point through which the mammalian fetus obtained nourishment from its mother through the blood vessels of the umbilical.