The epithelial ... from multipotent intestinal stem cells (ISCs) present at the crypt base. During homeostasis, the ISC niche exists in the crypt together with differentiated cells (e.g., lysozyme ...

The intestinal epithelium is a highly dynamic barrier that regulates digestion, absorption, immune responses, and ...

A barrier against bacteria Epithelial cells that line the small intestine are protected by a carbohydrate-rich layer called the glycocalyx, which prevents bacteria from coming in direct contact ...