Describe the 3 specialized cells in the gastric pits that secrete into the lumen of the stomach. include secretions produced and the functions of each of these secretions (zyogmatic or chief cells, parietal cells, mucous cells)

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 .

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