The word is lumen. It means the interior of a hollow tubular structure such as the intestine.
a hollow intestine
the long intestine and the shorter intestine
The small intestine is, indeed, hollow running 20 feet.
The Tagalog word for intestine is "bituka."
Walls of hollow visceral organs such as your intestines.
The word hollow is an adjective. It means to have an empty space inside.
That tree is hollow. Do you have a hollow leg? I'm going to hollow out a hole.
The hole in the tree was hollow.
The Latin word cavare means "to hollow; to hollow out" which comes from the Latin word for cave, cavus.
There are 2 syllables. Hol-low.
Yes, it can be (a hollow sphere, a hollow sound). The word hollow can also be a noun, meaning a gap, void, or a small valley.
What is the hollow? Jaw House