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What is it called when you have a hole in the stomach wall?
A hole in the stomach wall is known commonly as an ulcer. Ulcers are caused by an overabundance of hydrochloric acid within the stomach. The acid weakens the stomach lining and penetrates the stomach wall, causing ulcers.
Cells in the wall of stomach produce pepsinogen. which plays a role in protein digestion. Why don't these cells digest themselves?
Because they are coated, along with the stomach, in a thick mucus made by glans in the stomach, when the mucus is penetrated by the acid, that is when ulcers are caused
Why the stomach wall is not digested by its own enzymes?
The stomach wall is protected from its own digestive enzymes, primarily pepsin, by several mechanisms. Firstly, the stomach lining secretes a thick layer of mucus that acts as a barrier, preventing the enzymes from directly contacting and damaging the tissue. Additionally, gastric cells produce pepsinogen, an inactive precursor of pepsin, which is only activated in the acidic environment of the stomach, further safeguarding the stomach wall from self-digestion. Lastly, regular turnover and regeneration of the stomach lining help maintain its integrity and prevent damage.
What makes up the wall of the stomach?
The wall of the stomach is structurally similar to other parts of the digestive tube, with the exception that the stomach has an extra oblique layer of smooth muscle inside the circular layer, which aids in performance of complex grinding motions.
How do the wall of the stomach different from the wall of the esophagus?
The wall of the stomach is thicker and has an additional layer of smooth muscle called the muscularis externa, which allows for mixing and churning of food. The stomach also secretes digestive enzymes and acid to help break down food. In contrast, the wall of the esophagus is thinner and lacks the specialized functions of the stomach, mainly designed for transportation of food to the stomach.
What happens if stomach did not have a lining of mucus?
the gastric juices in your stomach eat the stomach wall and you will die
What protect the stomach wall from acid?
The stomach wall is protected by mucus. The mucus regenerates about every 2 weeks or so.
What is the function of the inner wall of the stomach?
The inner wall of the stomach is folded into many furrows called rugae (any fold, ridge, or furrow found within an organ). At the bottom of these folds are the secretary cells called the gastric pits ( Cells located at the bottom of rugae within the stomach). These are surrounded by a thick protective layer of mucus. This mucus on the inner wall of your stomach protects you from Hydrochloric acid (a clear, colorless, liquid with a strong, sharp odor and strongly acidic taste) from burning a hole in your stomach.
What does a stomach produce to help digest food?
stomach acid
Why does the stomach have a thick muscle wall?
The function of the stomach wall is to protect your stomach from eating itself. It has a coating of mucus on the inside that renews itself every three days and stops the hydrochloric acid in your stomach from dissolving itself.
Does the stomach produce gastrin?
no
How can human stomachs withstand stomach acid?
the inside of the stomach constantly secretes mucus, which protects the stomach wall.
