Researchers at the Francis Crick Institute have found that the small intestine grows in response to pregnancy in mice. This ...

An image produced through Xenium analysis of mouse small intestines. Protruding “villi” stick up from the lining of the small intestine. Valley-like “crypts” fill in the gaps.

Researchers at the Francis Crick Institute have found that the small intestine grows in response to pregnancy in mice. This partially irreversible change may help mice support a pregnancy and prepare ...

The first of three sections of the small intestine, the duodenum, produces large quantities of mucus to protect the intestinal lining from acid in the chyme. Measuring about 20 feet (6 meters ...