| SSMS | saturated solution of magnesium iodide |
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| OTFC | oral transmucosal fenatyl citrate |
| OCP | octacalcium phosphate; ocular cicatricial pemphigoid; oral case presentation; oral contraceptive pil... |
| OET | oral endotracheal tube; oral esophageal tube |
| OHI | Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene In... |
| magnesium excess | Persons with impaired kidney function should be especially careful about their magnesium intake because they can accumulate magnesium, a dangerous situation. According to the national academy of sciences, the recommended dietary allowances of magnesium are 420 milligrams per day for men and 320 milligrams per day for women. The upper limit of magnesium as supplements is 350 milligrams daily, in addition to the magnesium from food and water. (12 Dec 1998) |
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| magnesium hydroxide | <chemical> Magnesium hydroxide (mg(oh)2). An inorganic compound that occurs in nature as the mineral brucite. It acts as an antacid with cathartic effects. Pharmacological action: antacids, cathartic. Chemical name: Magnesium hydroxide (Mg(OH)2) (12 Dec 1998) |
| magnesium lactate | A laxative. (05 Mar 2000) |
| magnesium oxide | <chemical> Magnesium oxide (mgo). An inorganic compound that occurs in nature as the mineral periclase. In aqueous media combines quickly with water to form magnesium hydroxide. It is used as an antacid and mild laxative and has many nonmedicinal uses. Pharmacological action: antacids, cathartic. Chemical name: Magnesium oxide (MgO) (12 Dec 1998) |
| magnesium peroxide | Decomposes in water to hydrogen peroxide; used as an ingredient in dentifrices and in antiseptic dusting powder. (05 Mar 2000) |
| magnesium phytinates | Chlorophyll a and b. See entries under chlorophyll. (05 Mar 2000) |
| magnesium-protoporphyrin methyltransferase | <enzyme> From photosynthetic tissue; catalyses the methylation of magnesium protoporphyrin in the presence of s-adenosyl-l-methionine to yield magnesium protoporphyrin monomethyl ester and s-adenosyl-l-homocysteine Registry number: EC 2.1.1.11 Synonym: s-adenosyl-l-methionine-magnesium protoporphyrin methyltransferase, mg-pp-methyltransferase, s-adenosyl-l-methionine-mg-protoporphyrin ix methyltransferase, bchm gene product (26 Jun 1999) |
| magnesium protoporphyrin monomethyl ester oxidative cyclase | <enzyme> In chlorophyll biosynthesis converts -(ch2)2-coo-ch3 side chain of mg protoporphyrin monomethyl ester to -c=o-ch-cooch3 ring of mg 2,4-divinyl phaeoporphyrin a(5) monomethyl ester; requires NADPH and molecular oxygen; similar to cytochrome p-450 catalyzed systems but not inhibited by co Registry number: EC 1.14.13.- Synonym: mpme-oxidative cyclase (26 Jun 1999) |
| magnesium salicylate | A sodium-free salicylate derivative with anti-inflammatory, analgesic, and antipyretic actions; used for relief of mild to moderate pain. (05 Mar 2000) |
| magnesium silicates | A generic term for a variety of compounds that contain silicon, oxygen, and magnesium, and may contain hydrogen. Examples include talc and some kinds of asbestos. (12 Dec 1998) |
| magnesium stearate | A compound of magnesium with variable proportions of stearic and palmitic acids; used in the preparation of tablets, as a lubricant, and as an ingredient in some baby powders. (05 Mar 2000) |
| magnesium sulfate | <chemical> Sulfuric acid magnesium salt (1:1). A small colourless crystal used as an anticonvulsant, a cathartic, and an electrolyte replenisher in the treatment of preeclampsia and eclampsia. It causes direct inhibition of action potential in the myometrial muscle cells. Excitation and contraction are uncoupled, which decreases the frequency and force of contractions. Pharmacological action: anticonvulsants, cathartic, tocolytic agents. Chemical name: Sulfuric acid magnesium salt (1:1) (12 Dec 1998) |
| magnesium trisilicate | 2MgO-3SiO2-nH2O;a compound of magnesium oxide and silicon dioxide with varying proportions of water; occurs in nature as meerschaum, pararepiolite, and repiolite; a gastric antacid. (05 Mar 2000) |
| potassium magnesium aspartate | <chemical> An intra-extracellular electrolyte exchange agent with a variety of effects. Beneficial in cardiac insufficiency, potentiates the effect of cardiac glycosides by reducing their toxicity, has hypocholesteraemic effects and potentiates the effects of calcium in disturbed calcium metabolism. Synonym: panangin; tromcardin. Chemical name: DL-Aspartic acid, monopotassium salt, mixt. With potassium hydrogen (T-4)-bis(DL-aspartato(2-)-N,O1)magnesate(2-) (12 Dec 1998) |
| deficiency, magnesium | Can occur due to inadequate intake or impaired intestinal absorption of magnesium. Low magnesium (hypomagnesaemia) is often associated with low calcium (hypocalcaemia) and potassium (hypokalaemia) levels. Deficiency of magnesium causes increased irritability of the nervous system with tetany (spasms of the hands and feet, muscular twitching and cramps, spasm of the larynx, etc.). According to the National Academy of Sciences, the Recommended Dietary Allowances of magnesium are 420milligrams per day for men and 320 milligrams per day for women. The upperlimit of magnesium as supplements is 350 milligrams daily, in addition to the magnesium from food and water. (12 Dec 1998) |