What does hydroxyapatite mean?
Definitions for hydroxyapatite
hy·drox·ya·p·atite
This dictionary definitions page includes all the possible meanings, example usage and translations of the word hydroxyapatite.
Wiktionary
hydroxyapatitenoun
A basic calcium phosphate mineral that is the principal inorganic constituent of bone and teeth.
Wikipedia
Hydroxyapatite
Hydroxyapatite, also called hydroxylapatite (HA), is a naturally occurring mineral form of calcium apatite with the formula Ca5(PO4)3(OH), but it is usually written Ca10(PO4)6(OH)2 to denote that the crystal unit cell comprises two entities. Hydroxyapatite is the hydroxyl endmember of the complex apatite group. The OH− ion can be replaced by fluoride, chloride or carbonate, producing fluorapatite or chlorapatite. It crystallizes in the hexagonal crystal system. Pure hydroxyapatite powder is white. Naturally occurring apatites can, however, also have brown, yellow, or green colorations, comparable to the discolorations of dental fluorosis. Up to 50% by volume and 70% by weight of human bone is a modified form of hydroxyapatite, known as bone mineral. Carbonated calcium-deficient hydroxyapatite is the main mineral of which dental enamel and dentin are composed. Hydroxyapatite crystals are also found in pathological calcifications such as those found in breast tumors, as well as calcifications within the pineal gland (and other structures of the brain) known as corpora arenacea or "brain sand".
Editors Contribution
hydroxyapatite
A natural occurring type of mineral.
Hydroxyapatite is found in the human body in bones and teeth and other places.
Submitted by MaryC on January 20, 2017
Numerology
Chaldean Numerology
The numerical value of hydroxyapatite in Chaldean Numerology is: 4
Pythagorean Numerology
The numerical value of hydroxyapatite in Pythagorean Numerology is: 2
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"hydroxyapatite." Definitions.net. STANDS4 LLC, 2024. Web. 19 Apr. 2024. <https://www.definitions.net/definition/hydroxyapatite>.
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