Mucous membrane
Videos
A mucous membrane or mucosa is a membrane that lines various cavities in the body of an organism and covers the surface of internal organs. It consists of one or more layers of epithelial cells overly
Histological section taken from the pyloric antrum, showing the gastric mucosa
Layers of mucous membrane in stomach
Rete pegs
Videos
Rete pegs are the epithelial extensions that project into the underlying connective tissue in both skin and mucous membranes.
Skin epithelium (purple) with lamina propria (underlying connective tissue) (pink) -- the epithelium exhibits rete pegs. Rete pegs protect the tissue from shearing.