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Which cells of the stomach secretes hydrochloride acid and intrinsic factor?
The parietal cells of the stomach are responsible for secreting hydrochloric acid, while the chief cells secrete intrinsic factor. These two secretions are important for the digestion of food and absorption of nutrients in the stomach and intestine.
What enables absorption of b12 across small intestine wall?
Intrinsic factor, a protein produced by the stomach, is required for the absorption of vitamin B12 in the small intestine. In the small intestine, vitamin B12 binds to intrinsic factor, forming a complex that can be absorbed through the intestinal wall.
What role does the intrinsic factor play in the absorption of which nutrient?
The intrinsic factor plays a crucial role in the absorption of vitamin B12 in the small intestine.
What factors are responsible for the variation in the composition of saliva?
a. exposure to air; saliva tends to lose CO2 and pH rises rapidly. b. relative proportion of secretions of different glands c. psychic factor d. mechanical factor e. chemical factor
Which cells produce intrinsic factor?
Intrinsic factor is produced in the fundus and body of the stomach by parietal cells that line the stomach. The purpose of intrinsic factor is so vitamin B can be absorbed in the small intestine.
Why do you need intrinsic factor?
Intrinsic factor or gastric intrinsic factor is a protein produced by the stomach. It is used to absorb vitamin B12 in the small intestine. When there is a deficiency of the Intrinsic factor, there is a deficiency in the absorption of B12 into the body and this leads to pernicious anemia.
Why is the lining of the intestine rough?
Lining of your intestine is not smooth. Nature has adapted various methods to increase the surface area of the intestine. The surface has become grossly uneven due to this factor. The surface area of the small intestine is about 2750 square feet. That is why the surface becomes rough, although the lining is made of very soft epithelium.
What vitamin does Intrinsic factor facilitates its absorption from the small intestine?
Intrinsic factor facilitates the absorption of vitamin B12 from the small intestine. This glycoprotein, produced by the stomach's parietal cells, binds to vitamin B12, allowing it to be absorbed in the ileum. Without intrinsic factor, the body cannot effectively absorb vitamin B12, leading to deficiencies and associated health issues.
What are the secretions of the chief cells and parietal calls?
Chief cells secrete pepsinogen, an inactive form of the enzyme pepsin, which helps break down proteins in the stomach. Parietal cells secrete hydrochloric acid, which helps create the acidic environment in the stomach for proper digestion and also secretes intrinsic factor, which is essential for the absorption of vitamin B12 in the small intestine.
How does the body control the absorption of nutrients in the small intestine?
In order for nutrients to be absorbed in the small intestine, they must be free of any inhibiting factor such as disease. In addition, proper fluid is needed to encourage continual movement.
What is the function of Parietal cell?
Parietal cells are found in the lining of the stomach and secrete hydrochloric acid and intrinsic factor. Hydrochloric acid helps with digestion by breaking down food and killing bacteria, while intrinsic factor is important for the absorption of vitamin B12 in the small intestine.
What was the most important factor of making Mesopotamia farmland fertile?
. an important factor was that it was between rivers
