MACROPOROUS 



347 



MAGNESIUM 



Macroporous [niak-rop' '-or-us) [/ui/ipoc, long; iropoc, a 

 passage]. Having large pores. 



Macioprosopus [mak-ro-pro-so'-pus) [uaA-poc, large; 

 —pocu-nv, face]. A monster with abnormal develop- 

 ment of the face. 



Macrosporozoite (mak-ro-spo-ro-zo' '-it) [uanpoq, large ; 

 -- "i, seed; Zuov, animal]. Labbe's term (1894) for 

 the macrogamete of sporozoa. Syn. , Gynospore (E. R. 

 Lankester). Cf. Microsporozoite. 



Macrotia | mak-rc/she-ah) [uanpoc, large; ovg, the ear]. 

 Excessive size of the ear-muscle. 



Macula. | See Illus. Diet. ) Maculae ante oculos 

 volitantes. See M^tamorphopsia and Musae volitantes 

 1 Illus. Diet.). M. arcuata, arcus senilis. Maculae 

 atrophicae cutis, linear atrophy of the skin. M. 

 corneae, a permanent corneal opacity from an ulcer or 

 keratitis. M., Sanger's. See Macule, Gonorrheal 

 (Illus. Diet.). 



Maculopapular {mak-u-lo-pap / -u-lar). Having the 

 characteristics of a macule and a papule. 



Madema imad-e' '-mah). See Madarosis (Illus. Diet.). 



Madreporic, Madreporiform {mad-re-por'-ik, -e-forrn) 

 [Midrepora, a genus of corals]. Pierced with minute 

 openings. 



Madurin {mad'-ur-in). Moritannic acid. 



Mageiric {maj-i'-rik) [uayetpiKoq, fit for cookery]. Re- 

 lating to dietetics or the culinary art. 



Magnalium [mag-na'-le-um). An alloy of magnesium 

 and aluminium; specific gravity 2 to 3, melting-point 

 6oo° to 700 C. It is similar in quality to brass and 

 bronze when the quantity of magnesium varies from $fo 

 to 30 % . 

 '.Magnesia. (See Illus. Diet.) M., Aerated, M. alba, 

 magnesium carbonate. M., Black, black oxid of 

 manganese. 



Magnesite (mag / -nez-ii). Native magnesium carbon- 

 ate. 



Magnesium. (See Illus. Diet.) M. Acetate, Mg- 

 (C 2 H 3 2 ) 2 -J- 4.H 2 0, deliquescent white granules sol- 

 uble in water and alcohol ; cathartic. Dose, 5-60 gr. 

 (0.32-4 gm. ). M. and Ammonium Arsenate, 

 MgNH 4 As0 4 4- 6H 2 0, slightly soluble in a solution 

 of ammonium chlorid. M. and Ammonium Chlorid, 

 MgCLNH 4 Cl 4- 6H,0, small rhombic crystals or bulky 

 powder; sp. gr. 1. 456; soluble in water. M. Ben- 

 zoate, Mg(C.H 5 0,) 2 , a white powder soluble in water ; 

 used in gout. Dose, 3-20 gr. (0.2-1.3 g m )- M. 

 Bisulfate, MgH 2 (S0 4 ) 2 , white prisms, soluble in 

 water; cathartic. Dose, 5-20 gr. (0.32-1.3 gm. ). 

 Svn., Magnesium hydrogen sulfate: Acid magnesium 

 sulfate. M. Borate, Mg(BO s ), . 2Mg( OH), - 7H,0, 

 minute colorless crystals ; antiseptic. Dose, 5-20 gr. 

 (0.32-1.3 gm. ). Syn., Atttifungin. M. Boroci- 

 trate, a compound of citric acid, magnesium carbonate, 

 and borax ; a white powder soluble in water ; used in 

 lithiasis, gout, etc. Dose, 15-30 gr. (1-2 gm.). M. 

 Bromid, MgBr, — 6H..O, bitter colorless deliquescent 

 crystals soluble in water and slightly soluble in alcohol ; 

 sedative. Dose, io-rro gr. (0.65-1.3 gm.). M. 

 Carbonate, Light, (MgCO,) 4 . Mg(OH), 4- 5H 2 0, 

 white friable substance, soluble in carbonic acid water 

 and in 1000 parts of water. It is antacid, cathartic, 

 and antilithic. Dose, 30-120 gr. (2-8 gm.). M. 

 Chlorid, MgCl, — 6H,0, white deliquescent, bitter 

 crystals, soluble in water, partly soluble in 

 alcohol ; aperient and cathartic. Dose, 240-480 gr. 

 (16-30 gm.). M. Copaivate, a yellowish powder; 

 antiseptic, diuretic, laxative, and stimulant. Dose, 10- 

 20 gr. (0.65-1.3 gm. ). M. Creasotate. See Crta- 

 WU-magnesia. M. Dioxid, MgCL, an oxidizing sub- 

 stance used in anemia. Syn., Biogen. M. Ergotate, 

 a brown powder used in amenorrhea and epilepsy. 



Dose, %-i gr. (0.04-0.065 gm.). Syn., Magnesium 

 sclerotinate. M. Ethylsulfate, Mg(C 2 H 5 S0 4 ),- 

 4- 4H 2 0, deliquescent colorless crystals, soluble in 

 water and alcohol. M. Fluorid, MgF 2 , a white 

 powder; it is used as an antiseptic. M. Formate, 

 MgCHOj 4- 2H 2 0, colorless prisms, soluble in water. 

 M. Glycerinophosphate, MgP0 4 C 3 H 5 (OH).„ a 

 white crystalline powder soluble in water; a nerve 

 tonic. Dose, 2-5 gr. (o. 13-C.32 gm. ) 3 times daily in 

 syrup or solution. M. Gynocardate, a compound of 

 magnesia and gynocardic acid ; a white powder insol- 

 uble in water; it is used in leprosy. Dose, 15- 00 g r - 

 (1-4 gm. ). M. Hydrate, M. Hydroxid, Mg(OH),, 

 white pasty substance soluble in dilute acids. It is 

 antacid, antilithic, and cathartic. Dose, 60-120 gr. 

 (4-8 gm.). M. Hypophosphite, Mg( H.PO,), + 

 6HjO, white crystals soluble in water; a nene stimu- 

 lant. Dose, io-:ogr. (0.65-1.3 gm. ). M. Hypo- 

 sulfite. See M. Thiosuljaie. M. Ichthyolate, a 

 combination of freshly calcined magnesia, 1 00 parts; 

 ichthyol, 775 parts. Mixed with talc it is used as an 

 antiseptic dusting-powder. M. Iodid, Mgl 2 , deliques- 

 cent, brown crystalline powder which decomposes in 

 water; alterative and sialagog. Dose, 2-logr. (o. 13— 

 0.65 gm.). M. Lactate, Mgi C 3 H 5 3 ) 2 — 3H s O, a 

 white crystalline, bitter substance soluble in water; 

 laxative. Dose, 15-45 gr. (1-3 gm. ). M. Lacto- 

 phosphate, a white powder containing 45 c / c of magne- 

 sium lactate; soluble in water; laxative. Dose, 3-15 

 gr. (0.2-1 gm. ). M. Loretinate, Basic, Mgl . . - 

 C 9 H 4 N . SOj . 5HjO, bright yellow crystals, sparingly 

 soluble in water; an antiseptic dusting-powder. M. 

 Loretinate, Neutral, Mg(I.OH . C 9 H 4 N. S0 3 ),- 

 7H..O, salmon-colored prisms, easily soluble in water. 

 M. Malate, MgC 4 H 4 O s , white crystalline substance sol- 

 uble in water; laxative. Dose, 30-i20gr. (2-8 gm.). 

 M. Nitrate, Mg(N0 3 ) 2 -f- 6H 2 0, yellowish, deliques- 

 cent crystals soluble in water and alcohol. M. Ni- 

 trite, Mgl.N0 2 ), — 2H 2 0, soluble in alcohol. M. 

 Palmitate, a reaction-product of soluble magnesium 

 salt with potassium or sodium palmitate; a crystalline 

 powder or soapy mass, soluble in 100 parts of alcohol; 

 melts at 120 C. M. Permanganate, MgtMn0 4 ), .- 

 6H s O, blue-black crystals, soluble in water. M. 

 Phenolsulfonate, bitter, white, nearly odorless 

 needles, soluble in water and alcohol ; an antiseptic 

 purgative. Dose, I5 _ 3° g r - Syn., Magnesium sul- 

 fonate. M. Phosphate, Dibasic, Mg.,H.,(P0 4 ) 2 , or 

 MgHP0 4 , a white powder soluble in acids. Syn.. 

 Hydrogen magnesium orthophosphate. M. Phos- 

 phate, Monobasic, MgH 4 (P0 4 ) 2 , a grayish crystalline 

 powder; it is recommended as a laxative. Dose, 10- 

 30 gr. (o. 65-I.9 gm. ). Syn., Acid phosphate of mag- 

 nesium ; Magnesium tetra hydrogen phosphate : Mag- 

 nesium biphosphoricmn. M. Phosphite, MgHPO s , 

 white crystalline powder soluble in water. Dose, 5- 

 20 gr. (0.32-1.3 gm.). M. Phospholactate. See 

 St. Lactophosphate. M. Propionate, Mg(CjH 5 2 U, 

 white powder soluble in water. M. and Potassium 

 Chlorid. See under Potassium. M. Pyrophosphate, 

 Mg.,P 2 7 -■- 3H.X), a white powder produced by igni- 

 Uon of magnesium and ammonium phosphate. M. 

 Rhodanid. See M. Sulfotyanate. M. Ricinate, 

 MgiC,^H,,0 3 ) 2 , a white powder. M. Salicylate, 

 Mg(C.H s 3 ), -f H 2 0, colorless crystals, soluble in 

 water ; an intestinal antiseptic and antirheumadc. 

 Dose. I5~i20gr. (1-8 gm.). M. Sclerotinate. See 

 M. Ergotate. M. Silicate, Mg.,Sl,0. — 2H 2 0, fine 

 white powder ; absorbent, astringent, and antiseptic. 

 Dose, 60-240 gr. (4-10 gm.). Syn., Hydrated mag- 

 nesium silicate; Meerschaum. M. Sozoiodolate, 

 (C 6 H 2 I 2 (OH)S0 3 ) 2 Mg -f 8H,0, colorless needles; 



