Calcium cannot be absorbed from small intestine if. Is lacking
Calcium cannot be absorbed from small intestine if. Is lacking
Calcium represents one of the major minerals required by the human body for performing various biological processes such as vascular contraction, muscle function, intracellular signaling, secretion of hormones, and more. The connective tissue called bone is known as a reservoir for calcium. The calcium is absorbed from the diet of an individual. Still, it cannot be absorbed from the small intestine in the absence of vitamin D. Calcitriol is an active form of vitamin D that regulates the absorption of calcium in various sites, including kidneys and intestines. The calcium can be absorbed in the presence of vitamin D through active or passive paracellular pathways.
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