'Ca absorption' diaporamas de présentation

Mineral metabolism

Mineral metabolism. Functions of Minerals. Some participate with enzymes in metabolic processes ( cofactors, e.g. Mg, Mn, Cu, Zn, K) Some have structural functions (Ca, P in bone; S in keratin) Acid-base and water balance (Na, K, Cl) Nerve & muscle function (Ca, Na, K)

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Lecture # 12: Calcium homeostasis

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Calcium & Vitamin D Physiology

Calcium & Vitamin D Physiology. Bob Bing-You, MD, MEd, MBA ME Center for Endocrinology Scarborough, Maine. Importance of Calcium. Tight physiologic range Normal function muscle, nerves, PLTs, coagulation factor Cofactor for enzymes Membrane stability So we can stay upright!.

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Minerals

Minerals. According to the body needs, minerals are divided into 2 groups:. I. Macrominerals:. They are required in amounts greater than 100 mg/day. They include: calcium, phosphorus, magnesium, sodium, potassium and chloride. II. Microminerals (trace elements):.

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** Major minerals:

** Major minerals:. @ calcium :. 10- 30 % of ca in diet is absorbed -absorption of ca take place in small intestine especially in acidic media of duodenum -** factors increasing ca absorption : 1- vit D hormone : - consider as control agent of ca absorption

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Minerals

Minerals. one of micronutrient substances . these elements deposited in the rock ,go to soil, then to plants , animal eat it ,then go to human . inorganic elements has vital role in human metabolism { building ,activity ,regulating ,transmitting ,& controlling } Na ,K [ shift of body water ]

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