| D010281 |
Parathyroid Hormone |
A polypeptide hormone (84 amino acid residues) secreted by the PARATHYROID GLANDS which performs the essential role of maintaining intracellular CALCIUM levels in the body. Parathyroid hormone increases intracellular calcium by promoting the release of CALCIUM from BONE, increases the intestinal absorption of calcium, increases the renal tubular reabsorption of calcium, and increases the renal excretion of phosphates. |
Natpara,PTH (1-84),PTH(1-34),Parathormone,Parathyrin,Parathyroid Hormone (1-34),Parathyroid Hormone (1-84),Parathyroid Hormone Peptide (1-34),Hormone, Parathyroid |
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| D005260 |
Female |
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Females |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D000368 |
Aged |
A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. |
Elderly |
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| D012621 |
Seasons |
Divisions of the year according to some regularly recurrent phenomena usually astronomical or climatic. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) |
Seasonal Variation,Season,Seasonal Variations,Variation, Seasonal,Variations, Seasonal |
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| D013472 |
Sunlight |
Irradiation directly from the sun. |
Sunshine |
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| D014807 |
Vitamin D |
A vitamin that includes both CHOLECALCIFEROLS and ERGOCALCIFEROLS, which have the common effect of preventing or curing RICKETS in animals. It can also be viewed as a hormone since it can be formed in SKIN by action of ULTRAVIOLET RAYS upon the precursors, 7-dehydrocholesterol and ERGOSTEROL, and acts on VITAMIN D RECEPTORS to regulate CALCIUM in opposition to PARATHYROID HORMONE. |
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| D014808 |
Vitamin D Deficiency |
A nutritional condition produced by a deficiency of VITAMIN D in the diet, insufficient production of vitamin D in the skin, inadequate absorption of vitamin D from the diet, or abnormal conversion of vitamin D to its bioactive metabolites. It is manifested clinically as RICKETS in children and OSTEOMALACIA in adults. (From Cecil Textbook of Medicine, 19th ed, p1406) |
Deficiency, Vitamin D,Deficiencies, Vitamin D,Vitamin D Deficiencies |
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| D015663 |
Osteoporosis, Postmenopausal |
Metabolic disorder associated with fractures of the femoral neck, vertebrae, and distal forearm. It occurs commonly in women within 15-20 years after menopause, and is caused by factors associated with menopause including estrogen deficiency. |
Bone Loss, Perimenopausal,Bone Loss, Postmenopausal,Perimenopausal Bone Loss,Postmenopausal Bone Loss,Postmenopausal Osteoporosis,Osteoporosis, Post-Menopausal,Bone Losses, Perimenopausal,Bone Losses, Postmenopausal,Osteoporoses, Post-Menopausal,Osteoporoses, Postmenopausal,Osteoporosis, Post Menopausal,Perimenopausal Bone Losses,Post-Menopausal Osteoporoses,Post-Menopausal Osteoporosis,Postmenopausal Bone Losses,Postmenopausal Osteoporoses |
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