Canadian Medical Guide > Chemicals and Drugs > Inorganic Chemicals > Calcium Compounds > Calcium Phosphates > Apatites Terms and Definitions
Apatites
Medical Definition: | A group of phosphate minerals that includes ten mineral species and has the general formula X5(YO4)3Z, where X is usually calcium or lead, Y is phosphorus or arsenic, and Z is chlorine, fluorine, or OH-. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Guide Notes: | a group of phosphate minerals |
Hydroxyapatites - A group of compounds with the general formula M10(PO4)6(OH)2, where M is barium, strontium, or calcium. The compounds are the principal mineral in phosphorite deposits, biological tissue, human bones, and teeth. They are also used as an anticaking agent and polymer catalysts. (Grant & Hackh's Chemical Dictionary, 5th ed) |
Apatites Medical Definitions and Terms
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