Calciprivic
calciprivic
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- Calcite
one of the commonest minerals, calcium carbonate, CaCO 3 , found in a great variety of crystalline forms: a major constituent of limestone, marble, and chalk; calc-spar. Historical Examples Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 Various De Re Metallica Georgius Agricola The Voyage of the Vega round Asia and Europe, Volume I and […]
- Calcitonin
a polypeptide hormone that participates in the regulation of calcium levels in vertebrates by inhibiting loss of calcium from bone to the blood. noun a hormone secreted by the thyroid that inhibits the release of calcium from the skeleton and prevents a build-up of calcium in the blood Also called thyrocalcitonin Compare parathyroid hormone calcitonin […]
- Calcitriol
Biochemistry. a vitamin D compound, C 27 H 44 O 3 , occurring in humans as a hormone derived from cholesterol, that acts in the regulation and absorption of calcium. Pharmacology. a preparation of this compound, used in the treatment of osteoporosis and bone fracture.
- Calcitrant
adj.
- Calcium
a silver-white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element in nerve conduction, heartbeat, muscle contraction, and many other physiological functions. Symbol: Ca; atomic weight: 40.08; atomic number: 20; specific gravity: 1.55 at […]