Calcium

Kerry J Schulze

doi:10.1016/B978-0-12-375083-9.00034-9

Calcium

Kerry J Schulze

Bloomberg School of Public Health

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Abstract

Calcium is an essential mineral. Over 99% of body calcium is in bones and teeth, whereas <1% exists in cells and extracellular fluid, where it functions in cell signalling. Dairy products are major sources of dietary calcium. To preserve bone, calcium intake must be adequate to balance obligate losses in urine, the gastrointestinal tract, and through skin. Calcium homeostasis is regulated by parathyroid hormone (PTH) and 1,25(OH)₂ vitamin D, which increase renal calcium reabsorption, resorption of calcium from bone, and absorption efficiency of dietary calcium when circulating calcium declines. Calcium is important for both skeletal and nonskeletal health.

Original language	English (US)
Title of host publication	Encyclopedia of Human Nutrition
Publisher	Elsevier Inc.
Pages	228-234
Number of pages	7
Volume	1-4
ISBN (Electronic)	9780123848857
ISBN (Print)	9780123750839
DOIs	https://doi.org/10.1016/B978-0-12-375083-9.00034-9
State	Published - Jan 1 2012

Keywords

Bone
Calcium
Calcium balance
Dairy
Menopause
Mineral
Osteoporosis
Parathyroid Hormone (PTH)
Puberty
Resorption
Rickets
Vitamin D

ASJC Scopus subject areas

General Medicine

Access to Document

10.1016/B978-0-12-375083-9.00034-9

Cite this

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abstract = "Calcium is an essential mineral. Over 99% of body calcium is in bones and teeth, whereas <1% exists in cells and extracellular fluid, where it functions in cell signalling. Dairy products are major sources of dietary calcium. To preserve bone, calcium intake must be adequate to balance obligate losses in urine, the gastrointestinal tract, and through skin. Calcium homeostasis is regulated by parathyroid hormone (PTH) and 1,25(OH)2 vitamin D, which increase renal calcium reabsorption, resorption of calcium from bone, and absorption efficiency of dietary calcium when circulating calcium declines. Calcium is important for both skeletal and nonskeletal health.",

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AB - Calcium is an essential mineral. Over 99% of body calcium is in bones and teeth, whereas <1% exists in cells and extracellular fluid, where it functions in cell signalling. Dairy products are major sources of dietary calcium. To preserve bone, calcium intake must be adequate to balance obligate losses in urine, the gastrointestinal tract, and through skin. Calcium homeostasis is regulated by parathyroid hormone (PTH) and 1,25(OH)2 vitamin D, which increase renal calcium reabsorption, resorption of calcium from bone, and absorption efficiency of dietary calcium when circulating calcium declines. Calcium is important for both skeletal and nonskeletal health.

KW - Bone

KW - Calcium

KW - Calcium balance

KW - Dairy

KW - Menopause

KW - Mineral

KW - Osteoporosis

KW - Parathyroid Hormone (PTH)

KW - Puberty

KW - Resorption

KW - Rickets

KW - Vitamin D

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Calcium

Abstract

Keywords

ASJC Scopus subject areas

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