| / English Dictionary |
CALCIUM
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
A white metallic element that burns with a brilliant light; the fifth most abundant element in the earth's crust; an important component of most plants and animals
Synonyms:
Classified under:
Hypernyms ("calcium" is a kind of...):
metal; metallic element (any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.)
Hyponyms (each of the following is a kind of "calcium"):
calcium ion; factor IV (ion of calcium; a factor in the clotting of blood)
Holonyms ("calcium" is a substance of...):
fluor; fluorite; fluorspar (a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine)
gypsum (a common white or colorless mineral (hydrated calcium sulphate) used to make cements and plasters (especially plaster of Paris))
burnt lime; calcined lime; calcium oxide; calx; fluxing lime; lime; quicklime; unslaked lime (a white crystalline oxide used in the production of calcium hydroxide)
limestone (a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals)
Derivation:
calcify (convert into lime)
calcify (turn into lime; become calcified)
calcify (become impregnated with calcium salts)
Context examples:
It is marked by bone and skin lesions, high calcium levels, and enlarged lymph nodes, spleen, and liver.
(adult T-cell leukemia/lymphoma, NCI Dictionary)
In cultured primary cortical neurons, excitotoxins, hypoxic stress and calcium influx induce the production of p25.
(Alzheimer's Disease Pathway BioCarta, NCI Thesaurus/BIOCARTA)
A calcium salt form of aminosalicylic acid, an analog of para-aminobenzoic acid (PABA) with antitubercular activity.
(Aminosalicylate Calcium, NCI Thesaurus)
Memantine hydrochloride blocks the uptake of calcium by certain brain cells and decreases their activity.
(Memantine hydrochloride, NCI Dictionary)
The agent also causes retention of nitrogen, sodium, potassium, phosphorus, as well as calcium.
(Methyltestosterone, NCI Thesaurus)
The calcium salt form of mupirocin, a natural crotonic acid derivative extracted from Pseudomonas fluorescens.
(Mupirocin Calcium, NCI Thesaurus)
This allele, which encodes murine retrovirus integration site 1 homolog protein, plays a role in the regulation of both nitric oxide signaling and calcium release.
(MRVI1 wt Allele, NCI Thesaurus)
The glands secrete parathyroid hormone and are concerned with the metabolism of calcium and phosphorus.
(Murine Parathyroid Gland, NCI Thesaurus)
A low molecular weight heparin (LMWH) composed of a heterogeneous mixture of sulfated polysaccharide glycosaminoglycan chains obtained by depolymerisation of porcine mucosal sodium heparin, extraction/purification and conversion to the calcium salt.
(Nadroparin Calcium, NCI Thesaurus)
Namenda blocks the uptake of calcium by certain brain cells and decreases their activity.
(Namenda, NCI Dictionary)
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