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Define Absorption, Storage and Elimination of Vitamin D?
As we have already mentioned earlier, all fat-soluble vitamins share a common metabolic fate. Vitamin D is absorbed along with fats from the duodenum and jejunum. Bile too is essential for the effective absorption of fats and therefore of vitamin D.
Conditions unfavourable to fat absorption such as lack of bile, disorders such as sprue and celiac disease results in poor absorption of vitamin D. Once absorption is complete, vitamin D enters the blood as n part of the chylonmicrons. Vitamin U formed in the skin by the direct irradiation of the provitamin present in the skin is directly absorbed into the blood stream. The vitamin is stored in concentrated quantities in the liver and to a lesser extent in the skin, spleen, lungs,. brain and kidney. The main pathway of excretion of vitamin D is through the bile into the small intestine and consequent faecal excretion. Only less than four per cent of the intake of the vitamin is excreted by the urinary pathway.
phlum,class,characteristics of chromalveolata
Calculate the pH: 300mL of 0.25M sodium ascorbate plus 150mL of 0.2M HCl (the pKa of ascorbic acid is 4.04) okay, what's the conjugate acid and base of this problem? Can someone wa
Binding site is the place on cellular DNA to which a protein (like transcription factor) can bind. Typically, binding sites may be found in the vicinity of genes, and would be inv
classification of grantia
egg of frog
Outline three client considerations when taking an accurate pulse oximetry reading.
what are the characteristics of animal population
T AXONOMIC EVIDENCES - Taxonomy is the classification of organism. The gradual development in the complexity of organisms with specialized characters from simpler organisms
It is found in around 20 per cent cases of ARF and it is a late manifestation occurring even 3 months after GAS pharyngeal infection. Chorea is triggered by emotional disturbances
Isomer : Existence of different compounds having same molecular form but different structural forms.
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