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explain the toxicity of vitamin dthe adverse effects of high vitamin d intakes include hypercalciuria excessive urinary calcium excretion and
explain about the osteomalacia - deficiency of vitamin dit occurs when there is a lack of vitamin d and calcium in women who have had many
define the characteristics that are seen in ricketsthe following characteristics are seen in fully developed cases of rickets1 in case of young
define deficiency and toxicity of vitamin dinfants constitute a population at-risk for vitamin d deficiency because of relatively large vitamin d
explain the bioavailability of vitamin dthe nutritional availability of vitamin d is less significant because it can be endogenously produced and
explain the regulation of blood pressure the renin-angiotensin system regulates the blood pressure the synthesis of renin is decreased by calcitriol
define the role of vitamin d in the immune system immune responses that are mediated by t-cells can be inhibited by tile large doses of calcitriol ie
explain inhibition of cancer cell proliferation and growthvitamin d diminishes proliferation of abnormal intestinal lymphatic mammary and skeletal
define regulation of amino acid levels in the bloodregulation of amino acid levels in the blood vitamin d helps to prevent loss of amino acids
explain the formation of enzymeformation of enzyme vitamin d is essential for the formation of two enzymes - alkaline phosphtase in the
modulation of the transcription of cell cycle proteinsthe 125-ohd compound calcitriol is present in the blood complexes to the vitamin
define bone growth and development calcification of osteoid tissue vitamin d participates in metabolic processes associated with bone growth and
define mineralizations and formation of new bonevitamin d plays a role in the synthesis of a prominent non collage nous protein osteocalcin a vitamin
define functions of vitamin dvitamin d is required to maintain normal blood levels of calcium and phosphate which are in turn needed for the normal
define the sources of vitamin dvitamin d also called the sunshine vitamin is easily manufactured in the skin from 7-dehydro cholesterol on exposure
explain the interaction of vitamin a with ironiron iron status of an individual correlates with vitamin a the deficiency of vitamin a has been
explain the interaction of vitamin a with zincits deficiency interferes with vitamin a metabolism it leads to a reduction in the synthesis of plasma
explain the interaction of vitamin a with proteinsproteins the protein status of an individual influences vitamin a status and transport because an
explain the interaction of vitamin a with vitamin eof the various nutrients the interaction of vitamin e proteins zinc and iron with vitamin a is of
explain the dark adaptation of vitamin ain the early stages of vad the individual cannot see objects in dim light this phenomenon is used as a
explain the liver biopsy assaysthese are used to measure the total vitamin a stores as well us the response in levels of vitamin a relative to
explain dietary assessment criteria for vitamin aseveral methods can be adopted for the dietary assessment of vitamin a such as food frequency weekly
explain the conjunctival impression cytology cicconjunctival impression cytology cic is a simple rapid and inexpensive method which is suitable for a
explain about the toxicity - fat soluble vitaminbecause vitamin a is fat-soluble and can be stored primarily in the liver routine consumption of
define conditions associated with increased need for vitamin aconditions and populations associated with increased need for vitamin a includes young