MASOPEXY 



351 



MEASLES 



Masopexy imaz-o-peks'-e). See Mastopexy. 



Masopin (mas'-o-pin). C^H^fJ. A crystalline resin- 

 ous constituent of Mexican chicle, the sap of Achras 

 sapota, L. ; it melts at 155 C, giving off a pleasant 

 fragrance ; soluble in alcohol or ether, insoluble in 

 water. 



Mass. (See Illus. Diet.) M., Copaiba, copaiba, 6 

 parts, mixed with magnesia, 94 parts, and water ; 

 diuretic and stimulant. Dose, 10— 30 gr. (o.65-2gm. ). 

 M., Interfilar. See Enchylema (Illus. Diet.). M. of 

 Interruption, Meynert's name for the striatum and 

 thalamus. M., Mulberry. See Morula { Illus. Uict. ). 

 M., Priestley's, a green or greenish-brown deposit 

 sometimes seen, especially in young individuals, on 

 the upper and lower incisor and canine teeth ; it is due 

 to a growth of chromogenic fungi in Xasmyth's cuti- 

 cle. M., Pronatoflexor, Humphry's term for the 

 mass of pronator and flexor muscles of the forearm 

 having a common origin in the inner condyle and sep- 

 arating below. M., Semilunar. See Demilune Cells 

 of ' Heidenhain (Illus. Diet.). 



Massa. (See Illus. Diet.) M. carnea Jacobi Syl- 

 vii, the flexor longus digitorum pedis muscle. M. 

 intermedia. See Medicommissura. Massae later- 

 ales, the most massive portions of the atlas. 



Massage. (See Illus. Diet.) Syn., Allopicstomyokin- 

 etics. Cf. Attachcment ; F.pfleiirage ; Petrissage ; Ta- 

 potetnent. M.. Cannon-ball, the rolling (recom- 

 mended by Sahli) of a 3- to 5-pound cannon-ball 

 covered smoothly with chamois skin or flannel, over 

 the course of the colon. M., Electrovibratory, 

 that performed by means of an electric vibrator. M., 

 Thermic, stroking or pressing an affected part with a 

 heated object. M., Vapor, treatment of a cavity by 

 intermittent forcing of a medicated vapor into it. M., 

 Vibratory, light, rapid percussion either by hand or 

 by an electric apparatus. 



Massalis {mas-a'-lis) [massa, a mass]. Mercury. 



Massoia {mas-o* -e-ah\. A genus of the Laurinea con- 

 taining one species, M. aromatica, Becc. . indigenous 

 to the East Indies; it furnishes massoi or massoy bark 

 (q. v.), which contains an ethereal oil, pinene, dipen- 

 tene, limonene, eugenol, and safrol. 



Mastic. (See Illus. Diet.) M., American, the gum 

 from the pepper-tree, Schinus mo-le, L. M., Bar- 

 bary, the mastic-like resin afforded by Pistacia atlan- 

 tica, Desf. M., Bombay, M., East Indian, M., 

 Roman, is afforded by Pistacia khinjuk, Stocks, and 

 P. mutica, Fisch., trees of Persia and Afghanistan. 

 M., Common, M., Herb, inferior mastic occurring in 

 irregular masses and mixed with impurities. M., 

 Picked, pure mastic occurring in tears. M., Pseudo-. 

 See Acauthomastic (Illus. Diet.). M., Resin of. 

 I. C 10 H 31 (J S . The portion of mastic (about 90 r c ) 

 soluble in alcohol. Syn., Mastichic acid ; a- Resin of 

 mastic. 2. See Masticin. M., Syrian Herb, the 

 herb Teucrium marum, L. M., West Indian, the 

 chibou or cachibou yielded by Bursera gumrnifera, L. 



Masticin [inas'-tis-in). .3-resin of mastic; the part of 

 mastic insoluble in alcohol. Cf. Mastic, Pesin of. 



Mastitis. (See Illus. Diet. ) Syn., Mastadenitis, Mai 

 de pis. M . adolescentium, that occurring at puberty ; 

 it may exist in either sex. 



Mastochondroma {mas-to-kon-dro* -mah). See Masto- 

 chondrosis (Illus. Diet.). 



Mastoid. (See Illus. Diet.) 2. Resembling a nipple. 

 3. The mastoid process of the temporal bone. 4. 

 Relating to the mastoid. 



Mastoiditis. (See Illus. Diet.) See Sign, Bezold's. 

 M., Bezold's, destruction of the apex of the mastoid 

 process with a tendency to the formation of an abscess 

 in the neck. 



Mastoidotomy {mas-toid-01' '-o-me) [mastoid; reuiea; 

 to cut]. Incision of the mastoid cells to relieve sup- 

 purative mastoiditis. 



Mastologist {mas-tol'-o-jist). A specialist in diseases 

 of the mammary apparatus. 



Mastopexy \mas* -to-peks-e) [uaaroc, breast; ~r,;ic, a 

 fixing in]. Surgical fixation of a pendulous breast. 



Mastosis {mas-to*-sisj [uaaroc, breast]. Enlargement 

 of the breast. 



Mastotomy {mas-tot* -o-me) [uaaroc, breast; -euveiv, to 

 cut]. Incision of a breast. 



Matezite {mat* -ez-'it). C^H.^Og. A glucosid con- 

 tained in Madagascar caoutchouc identical with pinite. 



Matezodambose (mat-ez-o-dam'-bdz). Cg . H lg G" 9 . A 

 kind of sugar similar to dambose contained in matezite. 



Matias Bark \ma/i-te / -as). See Wintera (Illus. Diet.). 



Matobiose {mat-o-bi'-oz). Same as Maltose. 



Matta {mat* -ah). The commercial name for the pow- 

 dered hulls of the millet, Setaria italica, Beaur., 

 which is used in the sophistication of pepper. 



Matula {mat'-u-lah) [L.]. A urinal. 



Maturate (mat* -u-rat') [maturare, to come to maturity]. 

 To suppurate. 



Maturitas {mat-it* '-ri-tas). See Maturity (Illus. Diet.). 

 M. praecox, precocious development of the body or 

 of a single organ, especially of the genitals. 



Matzol {mat*-zol). A mixture of cod-liver oil, 50 

 parts ; matzoon, 45 parts ; emulsifying ingredients, 5 

 parts. 



Mauriceau's Lance. An instrument for perforating 

 the fetal head in craniotomy. 



Mauthner's Test for color vision : Thirty-three small 

 bottles filled with different pigments, some with one, 

 others with two (pseudoisochromatic and anisochro- 

 maticj pigments, are employed in the manner of 

 Holmgren's worsteds. 



Maxillate {maks* -Hat). Furnished with jaws. 



Maxilliferous {maks-il-if -ur-us) [maxilla, the jaw- 

 bone ; ferre, to bear] . See Maxillate. 



Maxillomuscular \.maks-il-o-mus* -ku-lar). Relating to 

 the maxillary muscles. 



Maxillosuprafacial {maks-il-o-su-pra-fa*-shal). Re- 

 lating to the maxilla and the upper portion of the 

 face. 



Maydl's Method. See under Operation. 



Maynaresin {ma-nah-rez* -in) [Maynas, a South Amer- 

 ican province]. C u H,.0. A resin obtained from 

 incisions in the trunk of the tree Calophyllum longi- 

 folium, Willd., of Colombia. It crystallizes from boil- 

 ing alcohol in beautiful yellow rhombic prisms melting 

 at 105 C. Ger., Maynasresin. 



Mayol (ma'-ol). A meat preservative introduced by 

 May of Budapest, and said to be a mixture of boric 

 acid, ammonium fluorid, glycerin, and alcohol (methyl 

 and ethyl). 



Maytenus ( ma* -ten-its) [May ten, Chilian name]. A 

 genus of shrubs of the order Celastrinece. M. boaria, 

 Mol., indigenous to Chili; the leaves are used on 

 inflammatory swellings, especially in poisoning by 

 species of A'/ius. M. vitis-idaea, Griseb., indigenous 

 to Peru ; used in tinnitus aurum and gingivitis. 



Mazoitis \ma-zo-i*-tis) [ua^uc, breast]. Mastitis. 



Mazologist {ma-zol'-o-jist) [ualoc, breast; 't.oyoc, 

 science]. See Mastologist. 



M'boundou, M'bundu. See Akazga (Illus. Diet.). 



Measles. (See Illus. Diet. ) Syn., Morbilli; Rubeola 

 (obs. ); Fr. Rougeole; Ger. Masern ; It. Rosolia fersa ; 

 Ar. Hasbah. See Signs, Grisolle's; Bologninrs, 

 Meunier's. M., Asthenic Typhous, M., Ataxo- 

 dynamic. See M.. Malignant illlus. Diet.). M., 

 Confluent. I. Scarlatina. 2. Measles with confluent 

 exanthemata. Syn., Morbilli con/erti. M., Inflam- 



