Mucosa forms cavities between the base of villi in the small intestine of human where intestinal glands are situated, which are called ____.

The mucosa of the small intestine forms finger-like foldings called villi. The bases of these villi contain tubular depressions or cavities known as the crypts of Lieberkuhn, which house the intestinal glands.

The sphincter of Oddi guards the opening of the hepatopancreatic duct into the duodenum.

The Sylvian sulcus is a deep fissure in the human brain.

The pulp cavity is the central cavity of a tooth containing blood vessels and nerves.

Answer: crypts of Lieberkuhn