Canceling DIRECTV by Phone. 1  1. Call DIRECTV. By calling, youâll be able speak to a representative about canceling your subscription. 2  2. Inform the representative you want to cancel. After waiting, youâll be connected to a DIRECTV customer service representative. 3  3. Ask the representative about important details.
Bone mineral density: BMD, a measure of bone density, reflecting the strength of bones as represented by calcium content. The BMD test detects osteopenia (mild bone loss, usually without symptoms) and osteoporosis (more severe bone loss, which may cause symptoms).one mineral density: BMD, a measure of bone density, reflecting the strength of bones as represented by calcium content. The BMD test detects osteopenia (mild bone loss, usually without symptoms) and osteoporosis (more severe bone loss, which may cause symptoms).
A mineral related to apatite which is the main inorganic constituent of tooth enamel and bone, although it is rare in rocks. Example sentences. 1  The most familiar apatite derivative is hydroxyapatite, the bulk mineral constituent of bone. Bone consists of collagen banded fibrils sprinkled with tiny crystals of the mineral hydroxyapatite, which is basically calcium phosphate. 2  A less popular âfiller âfor wrinkles is made from calcium hydroxyapatite, a substance used to replace missing bone.â.