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Aids in absorption of vitamin b12?

Intrinsic factor, a protein produced in the stomach, helps in the absorption of vitamin B12. This vitamin is crucial for red blood cell formation and neurological function. Absorption of vitamin B12 occurs in the small intestine, where it binds to intrinsic factor for transport into the bloodstream.


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.


What the importance of intrinsic factor?

Intrinsic factor is glycoprotein that is produced by the parietal cells of the stomach.


What is important function of the intrinsic factor found in the stomach?

the b12 intrinsic factor produced by the parietal cells in the stomach (parietal cells also produce HCL, the acid that dissolves food and converts pesinogen (secreted by the chief cells). B12 is necessary for carbohydrate, protein and fat to be used by the boy but most importantly b12 is necessary for all cells in the body (especially red blood cells) to work properly; if deficient in the body the person may develop pernicious anemia (due to the excessive destruction of immature blood cells or the lack of their production due to a lack of vitamin b12) as well as other problems such as problems with the nervous system sue to the fact that b12 is used to cover nerve cells thus the lack of vitamin b12 can also get to the brain and in kill the person. The intrinsic factor secreted by the stomach's parietal cells is used to absorb vitamin b12 as the body cannot absorb it on its own. As a result the intrinsic factor is essential for life as there will be vitamin vb12 deficiency if there is no intrinsic factor to help the boy absorb it. Another important fact is that vitamin b12 is absorbed( with the help of the intrinsic factor) by cubulin receptors in the ileum of the small intestine.


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 happens when parietal cells shrink?

When these parietal cells shrink in size (atrophy), they produce less and less intrinsic factor


How pernicious anemia cause achlorhydria?

pernicious anemia is a vitamin B12 deficiency. Vitamin B12 requires Intrinsic Factor to be reabsorbed by the ileum. Intrinsic Factor is produced by parietal cells in stomach. If there is some damage or manipulation of parietal cells, which also produce HCl, there will be less of both intrinsic factor causing B12 deficiency and HCl causing achlorhydria.


Does o- blood effect pregnancies?

Each person's blood is one of four major types: A, B, AB, or O. Blood types are determined by the types of antigens on the blood cells. Antigens are proteins on the surface of blood cells that can cause a response from the immune system. The Rh factor is a type of protein on the surface of red blood cells. Most people who have the Rh factor are Rh-positive. Those who do not have the Rh factor are Rh-negative


What stomach secretion is necessary for normal hemoglobin Production in RBC's?

Intrinsic factor is secreted by the parietal cells and is critical for absorption of B12. When the body attacks the parietal cells b12 deficiency results which is called "pernicious anemia."


Where does the absorption of vitamin B12 occur?

The vitamin B12 is a very important nutrient; it lowers risk of stroke, heart disease, cancer, Parkinson's, and Alzheimer's disease. The vitamin begins to absorb in the mouth, in contrast to most nutrients.


What cause pernicious anemia?

Pernicious Anemia is caused by a lack of intrinsic factor (usually). There can be other causes, such as infection, surgery, medicines taken, or diet.


What is pernicious anemea?

This is anaemia (lowered blood haemoglobin) due to a lack of vitamin B12 absorbed from the intestinal tract, due to a lack of intrinsic factor usually. This can be due to auto antibodies against the cells that produce intrinsic factor, stomach ulcers crowding out the cells that produce intrinsic factor, a hereditary lack of intrinsic factor or the after effects of surgery, illness or fish tapeworm. This gives a macrocytic anaemia. Pernicious anemia is an autoimmune disease that renders the person unable to absorb sufficient Vitamin B-12. Eventually the person becomes Vitamin B-12 deficient and must be treated. Prior to the availability of treatment persons died from the disease, hence the name pernicious. It is critical that treatment be obtained as soon as possible. You can find more information at the following website: www.pernicious-anaemia-society.org