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Stomach Medical Animation

3d medical illustration - Anatomy of the human stomach

New medical device mechanism of action animation turned into an medical illustration

The stomach is a highly acidic environment due to gastric acid production and secretion which produces a luminal pH range usually between 1 and 2 depending on the species, food intake, time of the day, drug use, and other factors. Combined with digestive enzymes, such an environment is able to break down large molecules (such as from food) to smaller ones so that they can eventually be absorbed from the small intestine. A zymogen called pepsinogen is secreted by chief cells and turns into pepsin under low pH conditions and is a necessity in protein digestion. The human stomach can produce and secrete about 2.2 to 3 liters of gastric acid per day with basal secretion levels being typically highest in the evening. The stomach can expand to hold between 2-4 liters of food. It is a temporary food storage area, and in the process of digestion, the food goes into the stomach first.

Stomach medical illustration created by medical animation studio and tres 3d for a medical device company - marketing and medical education

Absorption of vitamin B12 from the small intestine is dependent on conjugation to a glycoprotein called intrinsic factor which is produced by parietal cells of the stomach.

Other functions include absorbing some ions, water, and some lipid soluble compounds such as alcohol, aspirin, and caffeine.

Also, contrary to popular belief, the stomach is not necessary for survival. The esophagus can be connected directly to the small intestine. You only have to chew your food into a thick pulp before swallowing.

source Wikipedia Stomach

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