Calcium
11Calcium — Calcium, Kalkmetall, zu den Alkalimetallen gehörend; es ist silberweiß, löst sich im Wasser unter Aufbrausen zu Kalkwasser und bildet mit Sauerstoff eine Basis, den Kalk, welcher, theils mit Kohlensäure, Schwefelsäure, Phosphorsäure etc., theils… …
12Calcium — (Ca2+), in allen Organismen vorkommender, von Tieren und Pflanzen als Makroelement benötigter Mineralstoff, der wichtige regulatorische Funktionen hat (z.B. bei der Muskelkontraktion, der Leitung von Aktionspotentialen entlang der Nervenfaser,… …
13Calcium — vgl. Kalzium …
14calcium — Symbol: Ca Atomic number: 20 Atomic weight: 40.08 Soft grey metallic element belonging to group 2 of the periodic table. Used a reducing agent in the extraction of thorium, zirconium and uranium. Essential element for living organisms …
15calcium — coined 1808 by English chemist Sir Humphrey Davy (1778 1829), who first succeeded in isolating it, from L. calx (gen. calcis) limestone (see CHALK (Cf. chalk)) + metallic element ending ium …
16calcium — ► NOUN ▪ a soft grey reactive metallic chemical element. ORIGIN from Latin calx lime …
17calcium — [kal′sē əm] n. [ModL < L calx (gen. calcis), lime < or akin to Gr chalix, pebble + IUM: so named (1808) by DAVY Sir Humphry] a soft, silver white, metallic chemical element, one of the alkaline earth metals, found in limestone, marble,… …
18Calcium — Eigenschaften …
19calcium — /kal see euhm/, n. Chem., Biol. 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… …
20Calcium — A mineral found mainly in the hard part of bones. Bones serve as a storage area for calcium. Calcium is added to bones by cells called osteoblasts. It is removed from bones by cells called osteoclasts. When children consume calcium, they absorb… …
