Explanation:
The three specialized cell that are present within wall of the stomach , are as follows -
1. Chief cell - It is also called as the zymogenic or the peptic cell . It is secreted by the hormone Pepsinogen , which is further activated in an acidic medium . It helps to complete the digestion of the proteins .
2. Parietal cell - Parietal cell secrets the hydrochloric acid which provides an acidic medium in stomach for the digestion of the protein .
3. Mucous cell - It is a slimy mucus substance , that forms a protective layer around the gastric wall , in order to protect the wall of stomach from the acid hydrochloric acid .
