hydroxyapatite

views updated May 08 2018

hydroxyapatite A hydrated calcium phosphate mineral, which also contains fluoride, chloride, and carbonate calcium salts. It is often formed as a consequence of biomineralization, producing hard structures, such as bone.

A Dictionary of Earth Sciences AILSA ALLABY and MICHAEL ALLABY

hydroxyapatite

views updated Jun 08 2018

hydroxyapatite A hydrated calcium phosphate mineral, which also contains fluoride, chloride, and carbonate calcium salts. It is often formed as a consequence of biomineralization, producing hard structures, such as bone.

A Dictionary of Zoology MICHAEL ALLABY

hydroxyapatite

views updated May 21 2018

hydroxyapatite (hy-droks-i-ap-ă-tyt) n.
1. the crystalline component of bones and teeth, consisting of a complex form of calcium phosphate.

2. a biocompatible ceramic material that is a synthetic form of natural hydroxyapatite. It is used to coat some joint replacement prostheses, which encourages bone to grow onto the implant, and is also used in some forms of middle-ear surgery.

A Dictionary of Nursing

hydroxyapatite

views updated May 18 2018

hydroxyapatite The calcium phosphate complex which is the main mineral of bones.

A Dictionary of Food and Nutrition DAVID A. BENDER

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Hydroxyapatite

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