- Calcium deficiency
Calcium deficiency may refer to:
*Calcium deficiency - a plant disorder
*Hypocalcaemia - the presence of low serum calcium levels in the blood
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Calcium deficiency
Look at other dictionaries:
calcium deficiency — Inadequate supply or metabolism of calcium, the main structural element of bones and teeth. Its metabolism is regulated by vitamin D, phosphorus, and hormones (see parathyroid gland). Calcium in the blood has roles in muscle contraction, nerve… … Universalium
Calcium deficiency — A low level of calcium in the blood (hypocalcemia) makes the nervous system highly irritable and causes tetany (spasms of the hands and feet, muscle cramps, abdominal cramps, overly active reflexes, etc.). Chronic calcium deficiency contributes… … Medical dictionary
Calcium deficiency (plant disorder) — Calcium (Ca) deficiency is a plant disorder that can be caused by insufficient calcium in the growing medium, but is more frequently a product of a compromised nutrient mobility system in the plant. [cite web|title= Plant Physiology Online: 5.1… … Wikipedia
Calcium — (pronEng|ˈkælsiəm) is the chemical element with the symbol Ca and atomic number 20. It has an atomic mass of 40.078. Calcium is a soft grey alkaline earth metal, and is the fifth most abundant element by mass in the Earth s crust. Calcium is also … Wikipedia
calcium levulinate — n a white powdery salt C10H14CaO6·H2O used in medicine as a source of calcium * * * [USP] a calcium replenisher, administered orally or parenterally in the treatment of calcium deficiency … Medical dictionary
Calcium — 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… … Medical dictionary
Deficiency, calcium — A low level of calcium in the blood (hypocalcemia) makes the nervous system highly irritable and causes tetany (spasms of the hands and feet, muscle cramps, abdominal cramps, overly active reflexes, etc.). Chronic calcium deficiency contributes… … Medical dictionary
calcium — /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… … Universalium
deficiency — /di fish euhn see/, n., pl. deficiencies. 1. the state of being deficient; lack; incompleteness; insufficiency. 2. the amount lacked; a deficit. [1625 35; < LL deficientia, L deficient (s. of deficiens). See DEFICIENT, ENCY] Syn. 1. shortage,… … Universalium
calcium — n. a metallic element essential for the normal development and functioning of the body. Calcium is an important constituent of bones and teeth: the matrix of bone, consisting principally of calcium phosphate, accounts for about 99% of the body s… … The new mediacal dictionary
