Why doesn't the stomach digest itself?

A. Stem cells in gastric glands constantly replace dead epithelial cells of the mucosa.
B. Mucosal epithelial cells are exceptionally long-lived.
C. Parietal cells secrete a thick mucus that protects the mucosa.
D. Excess stomach acid is regurgitated.
E. Gastrin stimulates production of mucus.


A. Stem cells in gastric glands constantly replace dead epithelial cells of the mucosa.

Anatomy & Physiology

You might also like to view...

A normal secondary oocyte has a diploid chromosome number

Indicate whether the statement is true or false

Anatomy & Physiology

The infraspinatus inserts on the ____________ of the humerus.

A. greater tubercle of the humerus B. acromial process of the scapula C. lesser tubercle of the humerus D. coranoid process of the scapula

Anatomy & Physiology

What is the target tissue of erythropoietin (EPO)?

A) adipocytes B) red bone marrow C) breast tissue D) smooth muscle tissue

Anatomy & Physiology

Which of the following remain dormant in mid-meiosis I until adolescence?

A. Primary oocyte B. Oogonia C. Polar body D. Secondary ooctye

Anatomy & Physiology