Mahsulot tavsifi:

The structure of the gastrointestinal tract (GIT) is consistent from the oesophagus to the anus. The mucosa varies in different regions based on the function of the particular part. The gastrointestinal tract has four layers: 1) Mucous membrane or mucosa includes stratified squamous epithelium, lamina propria, and muscularis mucosa. 2) Submucosa consists of loose collagenous connective tissue with blood vessels, lymphatics, and nerves, and submucosal plexus. 3) Muscularis Propria or muscularis externa is smooth muscle arranged in two layers - inner circular and outer longitudinal.