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Calcium homeostasis hypercalcemia and hypocalcemia by Gregory R. Mundy

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Published by Dunitz in London .
Written in English

Subjects:

  • Calcium -- Metabolism -- Disorders

Book details:

Edition Notes

StatementGregory R. Mundy.
Classifications
LC ClassificationsRC632.C26
The Physical Object
Pagination248 :
Number of Pages248
ID Numbers
Open LibraryOL19476333M
ISBN 100948269677

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Cellular Mechanisms for Calcium Transfer and Homeostasis presents the proceedings of the Workshop Conference on Cell Mechanisms for Calcium Transfer and Homeostasis, held at Portsmouth, New Hampshire on September 13–16, This book examines the ubiquity of the involvement of calcium in the function and structure of biological systems. Calcium metabolism or calcium homeostasis is the mechanism by which the body maintains adequate calcium levels. Calcium homeostasis regulates calcium flow to and from the bones. Inadequate calcium levels can result in osteoporosis. Calcium release from bone is regulated by parathyroid hormone. Calcitriol regulates the levels of calcium and. Calcium metabolism is the movement and regulation of calcium ions (Ca 2+) in (via the gut) and out (via the gut and kidneys) of the body, and between body compartments: the blood plasma, the extracellular and intracellular fluids, and acts as a calcium storage center for deposits and withdrawals as needed by the blood via continual bone remodeling.   Homeostasis in a general sense refers to stability or balance in a system. It is the body's attempt to maintain a constant internal environment. Maintaining a stable internal environment requires constant monitoring and adjustments as conditions change. This adjusting of physiological systems within the body is called homeostatic regulation.

In biology, homeostasis is the state of steady internal, physical, and chemical conditions maintained by living systems. This is the condition of optimal functioning for the organism and includes many variables, such as body temperature and fluid balance, being kept within certain pre-set limits (homeostatic range).Other variables include the pH of extracellular fluid, the concentrations of. Organ Systems Involved. Calcium homeostasis is maintained by actions of hormones that regulate calcium transport in the gut, kidneys, and bone. The 3 primary hormones are parathyroid hormone (PTH) 1,dihydroxyvitamin D-3 (Vitamin D3), and calcitonin. Key Terms. calcitriol: The active metabolite—1,dihydroxycholecalciferol—that is involved in the absorption of calcium.; Calcitonin: Produced in humans by the thyroid gland, it acts to reduce blood calcium, opposing the effects of parathyroid hormone.; calcium homeostasis: Calcium homeostasis is the mechanism by which the body maintains adequate calcium levels in order to prevent. • Hormonal control of calcium homeostasis is via PTH and calcium La Jolla, CA, April, , Professional Practice in Clinical Chemistry: Essential Knowledge and Tools for Working in Today's Lab, Conference Presentations, Calcium Homeostasis and Bone Matabolism.

Obviously, calcium homeostasis is critical. The skeletal, endocrine, and digestive systems play a role in this, but the kidneys do, too. These body systems work together to maintain a normal calcium level in the blood (Figure ). Figure Pathways in Calcium Homeostasis The body regulates calcium homeostasis with two pathways; one is. The key to calcium homeostasis is the amount of calcium absorbed in the gut. There are always some losses in the feces, urine, and in sweat. The gut must compensate for these losses, because it is the only source of new material, and because renal compensation cannot meet a large challenge (the kidney is % efficient underFile Size: 74KB. Calcium homeostasis, i.e., maintaining a blood calcium level of about 10 mg/dL, is critical for normal body functions. Hypocalcemia can result in problems with blood coagulation, muscle contraction, nerve functioning, and bone strength. Hypercalcemia can result in lethargy, sluggish reflexes, constipation and loss of appetite, confusion, and. Calcium Homeostasis (Topics in Biological Inorganic Chemistry Book 3) - Kindle edition by Carafoli, E., Krebs, J.. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Calcium Homeostasis (Topics in Biological Inorganic Chemistry Book 3).Manufacturer: Springer.