Results 261 to 270 of about 344,683 (312)
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Hyperthyroidism and calcium metabolism
Clinics in Endocrinology and Metabolism, 1973Marked bone changes can be produced by severe, prolonged hyperthyroidism. Attention was first drawn to this by Von Recklinghausen in 1891 when he described a young woman of 23 years of age who had had clinical evidence of Basedow's disease for five years. She complained of constant pain in her back and limbs and had a severe kyphoscoliosis.
D.A. Smith, S.A. Fraser, G.M. Wilson
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In the labyrinth of calcium metabolism
Orvosi Hetilap, 2013The authors present the case of a 27-year-old male patient. In 2010, he suffered from a bone fracture of the pelvis. As imaging techniques showed multiple osseal lytic lesions, diagnostic investigations were performed for multiple myeloma. Later, a mass lesion measuring 37 mm in size was removed from the left side of his mandible.
Sándor Magony +7 more
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Calcium Metabolism and the Menopause
2018In recent years attention has turned from the rather limited problem of vertebral crush fractures in postmenopausal women to a wider study of the effects of age on bone in general and is now turning to the specific role of the menopause in the light of the wider experience which has been gained.
M. M. Young, B. E. C. Nordin
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Diuretics and Calcium Metabolism [PDF]
American Journal of Kidney Diseases, 1985 In this review the normal renal tubular handling of calcium is briefly described. A detailed examination follows of the sites and modes of action of furosemide and thiazide diuretics on renal calcium handling and overall calcium metabolism. The clinical applications of these effects are also considered.
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Pathophysiology of Calcium Metabolism
Veterinary Clinical Pathology, 1995Calcium (Ca) is a mineral that plays a central role in maintaining the homeostasis of vertebrate animals, including muscle contraction, blood coagulation, enzyme activity, neural excitability, hormone secretion, and cell adhesion. It is also involved in the pathogenesis of metabolic diseases which disrupt the normal regulation of Ca balance and may ...
Thomas J. Rosol +3 more
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Annals of Internal Medicine, 1983
Recent developments in our knowledge of cellular calcium metabolism are reviewed. Changes in the Ca2+ concentration in the cell cytosol are a nearly universal means of coupling stimulus with response in both neural and endocrine cells. In particular, Ca2+ serves as an important intracellular messenger in the regulation of cardiac and smooth muscle ...
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Recent developments in our knowledge of cellular calcium metabolism are reviewed. Changes in the Ca2+ concentration in the cell cytosol are a nearly universal means of coupling stimulus with response in both neural and endocrine cells. In particular, Ca2+ serves as an important intracellular messenger in the regulation of cardiac and smooth muscle ...
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Calcium nutrition and metabolism
Dental Clinics of North America, 2003An adequate calcium intake throughout life is essential for maintenance of the skeleton, by far the largest body reservoir of calcium. Appropriately high calcium intake is particularly important in the first two decades, when the body calcium mass increases to near maximum.
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Amphibian Calcium Metabolism [PDF]
Journal of Experimental Biology, 1993 ABSTRACT Calcium is present in amphibian blood at a concentration similar to that in other vertebrates, about 1–2mmol l−1. The fraction of free calcium in amphibians is lower than that in other tetrapod vertebrates because about 50% of the plasma Ca2+ is bound to plasma proteins and perhaps other molecules.
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Calcium Metabolism and Correcting Calcium Deficiencies
Endocrinology and Metabolism Clinics of North America, 2012Calcium is the most abundant cation in the human body, of which approximately 99% occurs in bone, contributing to its rigidity and strength. Bone also functions as a reservoir of Ca for its role in multiple physiologic and biochemical processes. This article aims to provide a thorough understanding of the absorptive mechanisms and factors affecting ...
Gregory R. Emkey, Ronald D. Emkey
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Calcium and phosphorus metabolism
The American Journal of Medicine, 1957Abstract The skeleton, which contains over 99 per cent of the body calcium and 90 per cent of the phosphorus, provides a reserve for the maintenance and regulation of these elements. Both have important functions in cells and body fluids. Calcium balance depends on intake from the diet, loss in urine and feces and a balance between bone formation and
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