MASTOUS 



in an exceedingly rudimentary condition, and are never 

 nourished by means of an allantoic placenta, but are 

 transferred to the nipple of the mother, to which they 

 remain firmly attached for a considerable time and are 

 nourished, the milk being injected into the mouth by 

 compression of the muscle covering the mammary 

 gland. Cf. Marsupium. 



Mastous (mas'-tus) [jiaoroc, breast]. Having large 

 mamras. 



Mastozoon (mas-to-zo'-on) [uaaroc, breast ; fwo*', ani- 

 mal]. A mammal. 



Mastupration (mas-tu-pra' -shun). Synonym of Mas- 

 ation. 



Masturbation (mas-ter-ba' -shun) [masturbari, to pol- 

 lute one's self ; mantis, the hand ; stuprare, to ravish]. 

 Production of the venereal orgasm by the hand ; secret 

 vice. 



Masturbational, Masturbatory (mas-ter-ba' -shun-al, 

 -ter-ba'-tor-e) [masturbari, to pollute one's self]. 

 Pertaining to masturbation. 



Masuri (mas-u'-re) [Ind.]. The name commonly given 

 in India to a parasite of the horse, Amphistoma col- 

 linsii. See Parasites (Animal). Table of 



Matchmaker's Disease. See Phosphorus-necrosis. 



Mate (mah'-ta) [Sp., mate, a vessel]. Paraguay Tea 

 The leaves of Ilex paraguayensis, an infusion of which 

 is used in South America as a substitute for tea and 

 coffee. Its properties are due to caffein. 



Mater (mah'-ter). See Dura Mater and Pia Mater. 



Materia [mat-e' -re-ah) [L.]. Matter. M. chirurgica, 

 the instruments, appliances, and general outfit of a 

 surgeon . M . medica, the science that treats of drugs ; 

 the things used in medicine. 



Material \vtat-e' -re-al) [materia, matter]. Pertaining 

 to matter ; also, the substance of which anything con- 

 sists. 



Materialism (mat-e' ' -re-al-izm). See Spiritualism. 



Materies morbi (mat-e' '-re-ez mor'-bt) [L. , " matter of 

 disease]. I. That material which is essential to the 

 existence of a disease considered as an entity. 2. 

 A material that is the immediate cause of a disease 

 or of an illness. 



Maternal (wat-ur'-nal) [mater, mother]. Pertaining to 

 the mother. M. Impressions. See Impressions. 



Maternity (mat-ur'-nit-e) [mater, mother]. I. Mother- 

 hood. 2. [Fr., tnatemite.'] A lying-in hospital. 



Matica i mat-e' -kah). See Matico. 



Maticin (mat'-is-in) [Sp., matico"]. A bitter principle 

 that exists in matico. 



Matico (mat-e' -ko) [Sp.]. The leaves of Artanthe 

 elongata, an aromatic tonic, stimulant, and aphro- 

 di-iac. It is valuable in catarrhal diseases of the 

 mucous membranes ; the leaves are efficacious as a 

 hemostatic agent. Dose of the fld. ext. sj ss-ij ; of a 10 

 per cent, tinct. g ss-ij. M., Infus. (B. P.) Dose 



Matrass (mat'-ras) [Fr. , matras, a chemic vessel]. 

 A urinal. 



Matricaria (mat-rik-a'-re-ah) [matrix, womb]. Ger- 

 man Chamomile ; the flower-tops of M. chamomila. 

 Matricaria contains a volatile oil and a bitter extractive 

 principle, and is a mild tonic, and in large doses emetic 

 and antispasmodic. It is a popular domestic remedy 

 among the Germans, and is the chamomilla of the 

 homeopathic pharmacopeia. Dose, of the infusion, 

 indefinite. 



Matriculate (mat-rik' -u-lat) [matricula, a register]. 

 To receive admission and to enroll one's self as a 

 member of a college. 



Matricyte (ma'-tris-it) [udrt/p, mother; /error, cell]. 

 A mother-cell. 



Matrix (ma'-triks) [L., a mold in which anything is 



731 MAW- 



cast]. I. A mold ; the cavity in which anything is 

 formed. 2. That part or tissue into which any organ 

 or process is set, as the matrix of a tooth or of. a nail ; 

 the intercellular substance. 3. In dentistry, a piece 

 of steel or other metal of suitable form, used in filling 

 proximal cavities. 4. The uterus. 



Matrixitis (ma-triks-i'-tis). Same as Onychia. 



Matron (ma'-trori) [matrona, a matron]. The princi- 

 pal female nurse or housekeeper of a hospital. 



Matted (mat'-ed) [ME., matte, a mat]. Closely ad- 

 herent ; applied to tissues or structures that have been 

 bound together by inflammatory exudate. 



Matter (mat'-er) [materies ; materia^ matter]. The sub- 

 stance, or stuff, of which anything is made; the term 

 is used as the name of certain tissues (as white matter, 

 gray matter) ; also of certain morbid products (e. g. , 

 cheesy matter). Pus is colloquially designated as 

 matter. M., Cheesy, the peculiar yellow cheese-like 

 material, found in scrofulous and tuberculous glands, 

 tissues, and other structures. M., Gray (of Sommer- 

 ing). The locus niger of the eras cerebri. 



Matteuci's Muscular Pile. See Pile. 



Mattoid (mal'-oid) [mattus, drunk ; i\6oc, like]. A 

 person half-crazed ; a crank, or pararoiac. 



Maturant (mat'-u-rant) [maturare, to ripen]. I. 

 Ripening ; hastening the process of maturation. 2. 

 Any agent that promotes suppuration or maturation. 



Maturation (mat-u-ra' '-shun) [maturatio ; maturare, to 

 ripen]. 1. The period of ripening. The culminating 

 stage of inflammation marked by the collection and 

 excretion of pus in some part of the inflamed tissue. 

 2. The ripening of the ovum ; the stage succeeding 

 the extrusion of the polar bodies. M. of Cataract. 

 See Cataract. 



Maturative (mat'-u-ra-tir). Synonym of Maturant. 



Mature (ma-ttir / ) [maturare, to ripen]. Ripe ; also, 

 to ripen. 



Maturity (ma-tu'-rit-e) [maluritas ; maturare, to ri- 

 pen]. Full development; the quality or period of 

 complete growth. 



Matutinal (ma-tu' -iin-al) [Matuta, goddess of the 

 morning]. Occurring in the morning, as matutinal 

 nausea. 



Matzoon (mat' '-ziin) . A variety of koumiss, prepared 

 largely in Asiatic Turkey. It is the Turkish equiva- 

 lent of the Arabian leben, q. v. 



Mauchart's Ligaments. See Ligament. 



Maumene's Test. See Tests, Table of. 



Mauriceau's Method. See Treatment, Methods of. 



Mauriceau-Lachapelle Method. Same as Mauriceau's 

 Method. 



Mauthner, Sheath of. A thin zone of protoplasm 

 situated immediately adjacent to the axis-cylinder 

 of a nerve, and separating it from the medullary 

 sheath. 



Mauvanilin (mattrv-an' -il-in) [Fr. , mauve, yellow; 

 anilin], C, 9 H ]9 X 3 0. A derivative of anilin, occur- 

 ring as a by-product in the manufacture of rosanilin. 

 It is soluble in alcohol, in benzene, and in acetic ether. 

 See Pigments, Conspectus of. 



Mauve (mawv) [Fr.]. A purple dye derived from 

 anilin. It is a salt of mauvein, q. v. See also Pig- 

 ments, Conspectus of . 



Mauvein (maw f -ve-in) [Fr. mauve, yellow], G, 5 H M N 4 . 

 A base derived from anilin ; its salts, especially the 

 sulphate, form the anilin-dye mauve. It is a dark, 

 crystalline powder, soluble in alcohol, insoluble in 

 benzene and ether. See Pigments, Conspectus of. 



Maw-bound. Constipated. M.-worm. Any intes- 

 tinal worm that finds its way into the stomach, as 

 Oxyuris vermicularis , or especially Ascaris lumbricis. 

 See Parasites (Animal), Table of. 



