hydroxyapatite
هيدروكسيباتيت
definition
noun
The most familiar apatite derivative is hydroxyapatite , the bulk mineral constituent of bone.
a mineral of the apatite group that is the main inorganic constituent of tooth enamel and bone, although it is rare in rocks.
example
Bone consists of collagen banded fibrils sprinkled with tiny crystals of the mineral 'hydroxyapatite' , which is basically calcium phosphate.
The most familiar apatite derivative is 'hydroxyapatite' , the bulk mineral constituent of bone.
Some manufacturers also have coated their implants with a calcium phosphate-based material called calcium 'hydroxyapatite' .
In view of the elastic modulus of 'hydroxyapatite' being at least three orders of magnitude larger than that of collagen, this seems to be quite natural.
A less popular ‘filler ‘for wrinkles is made from calcium 'hydroxyapatite' , a substance used to replace missing bone.’
Credits: Google Translate
