MYRINGOPLASTY 



832 



MYSTAX 



dry perforation of the ear-membrane, recommended 

 by Berthold, and attended with some success. A 

 piece of sticking-plaster is first laid over the perfora- 

 tion and then pulled off in order to cause irritation of 

 the margins. After this a piece of skin from the arm 

 or elsewhere, or the skin of a hen's egg, is applied to 

 the orifice and the ear carefully plugged. 



Myringoplasty (mi-rin' -go-plas-te) [myringa, tympanic 

 membrane ; Tzlaaaeiv , to shape]. Plastic surgery of the 

 membrana tympani. 



Myringotome (mi-rin' -go-torn) [myringa, myringa; 

 TOfir), a cutting]. A knife-like instrument used in 

 incision or removal of the membrana tympani. 



Myringotomy (mi-rin-gof '-o-me) [myringa, tympanic 

 membrane ; To/if/, a cutting]. Incision of the tym- 

 panic membrane. 



Myriosporous (ttiir-e-os' -po-rus) [fivpiog, numberless ; 

 GTiopoQ, seed]. In biology, producing many spores. 



Myrisma (mi-riz'-mah) \jivpia\ia\. An anointing. 



Myristate (tni'-ris-tat) \_[ivpicsTui6c, fit for anointing]. 

 A salt of myristic acid. 



Myristic Acid (ttii-ris'-tik) [fivpicriKor, fit for anoint- 

 ing], C u H 2g 2 . A monobasic acid found in Myris- 

 tica fragrans, in cocoanut oil, in spermaceti, etc. 



Myristica (ttti-ris' -tik-ah) [fivpccTLnoc, fit for anoint- 

 ing]. Nutmeg. The kernel of the seed of M. fra- 

 grans, indigenous to the East Indies. Also, the 

 fleshy covering of the fruit called mace. Its proper- 

 ties are due mainly to the volatile oil. It is an aro- 

 matic stomachic and tonic, and in large doses a 

 powerful narcotic. The oil is sometimes employed 

 as a rubefacient in paralysis and rheumatism, and is 

 much used as a condiment. Dose gr. v-xx. M., 

 Oleum, the volatile oil. Dose rnj-v. M., Spiritus, 

 a three per cent, solution in alcohol. Dose J5J -r J- 



Myristicated Liver (nii-ris' '-tik-a-ted). Nutmeg liver, 

 q. v. 



Myristication (mi-ris-tik-a' -shun) [/uvpi&iv , to anoint]. 

 The development of a nutmeg condition of the liver. 



Myristicin (tni-ris' '-tis-in) [fivpLC,eiv, to anoint]. A 

 peculiar fatty body contained in nutmeg. 



Myristicol (tni-ris' -tik-ol [fivpifav , to anoint ; oleum, 

 oil], C 10 H I6 O. An oily substance extracted from 

 oil of nutmeg. 



Myristin (mi-ris' '-tin) [uvpi&iv, to anoint]. A com- 

 pound of glycerin and myristic acid. 



Myristone [tni-ris' -ton) [/ivpi^eiv, to anoint]. The 

 ketone of myristic acid. 



Myrmecia (mur - me' - se - ah) [uvpfirjuLa, ants' nest; 

 fivpfir/tj, ant] . A warty growth on the palm or sole. 



Myrmeciasis (mur-me-si' -as-is) [fibpfjqtj, ant]. Formi- 

 cation. 



Myrmecismus, Myrmecium (mur-me-siz'-mus, tnur- 

 me'-se-um). Synonym of Myrmeciasis. 



Myrmecology (mur - me - ho/' -o-Je) [/nvp/u^, an ant; 

 %6yoc, science]. That department of biologic science 

 which treats of ants. 



Myrmecophilous (mur-me-koff' -il-us) [fivpfit/i-, ant ; 

 <pi/.or, loving]. In biology, ant-loving. Applied to 

 such plants as are cross-fertilized by means of ants, or 

 to such insects as live in ant-hills. 



Myrmecosis ( mur- me-ko' -sis\ . Synonym of Myrmeciasis. 



Myrobalan (tni-rob'-al-an) [uvpnv, ointment ; (iaAavoc, 

 nut]. Also Myrabolan. The fruit of several species 

 of 7'iimiiiit/iti found in India, and other eastern 

 countries, and used in leather-manufactures. The tan- 

 nin occurs in the pulp that surrounds the kernel. It is 

 generally used in combination with other tanning 

 materials, to modify the objectionable color which 

 some of the latter impart to the leather. By itself it 

 produces a soft and porous tannage. See Myrobal- 

 anus. Myrobalan was formerly, and is still locally, 



much used in medicine. Commercially it is divided 

 into several sorts, citrine, emblic, belleric, etc. Unof. 



Myrobalanus (tni-ro-bal' -an-us) [\ivpov, ointment ; 

 (ialavoc, nut]. The emblic myrobalan ; the fruit of 

 Phyllanthus emblica, of Southern Asia. It has a 

 slight laxative followed by an astringent effect, and 

 is highly recommended in dysentery and chronic 

 diarrhea. Botanically, this is not a true myrobalan. 

 Dose gij-^j. Unof. 



Myronate (mi'-ron-at) [fivpov, an ointment]. A salt 

 of myronic acid. 



Myronic Acid (mi-ron'-ih). See Acid. 



Myrophorum (tni-roff' '-or-tlm) [fivpov, ointment ; <j>tpeiv, 

 to carry]. An instrument for applying ointments to 

 narrow openings or parts of the body difficult of 

 access. 



Myrosin (tni-ro' -sin) [fivpov, ointment]. An albumin- 

 ous ferment obtainable from mustard-seed, which 

 liberates the oil of mustard from potassium myronate. 



Myroxylon (tni-roks' -il-on) \jivpov, balsam; fiAov, 

 wood]. A genus of tropical leguminous trees. M. 

 pereirae yields balsam of Peru, and M. toluiferum 

 affords the balsam of tolu. 



Myrrh (mur) [/nvppa, myrrh]. The resinous substance 

 obtained from Commiphora myrrha, indigenous to 

 Arabia. In small doses it is a stimulant, in large 

 doses an irritant, to the gastro-intestinal membrane. 

 It is valuable in amenorrhea and bronchial catarrl'. 

 makes an excellent mouth-wash and lotion for spongy 

 gums. It is used chiefly in dentifrices. Dose gr. 

 x-xxx. M., Tinct., 20 per cent. Dose n\x-xxx. 



Myrrhic Acid (mur'-ik) [fivppa, myrrh], C 24 H 3;i 4 . A 

 liquid substance obtained from myrrhin. 



Myrrhin (mur' -in) [fivppa, myrrh], C 24 H 32 5 . A resin 

 contained in myrrh. 



Myrrhol (mur'-ol) [fivppa, myrrh ; oleum, oil], C.JI. ... 

 2 . A yellow volatile oil derived from myrrh. 



Myrtiform (mur' -tif-ortti) [myrtum, a myrtle-berry; 

 forma, form]. Shaped like a myrtle-berry or myrtle- 

 leaf. M. Caruncles. See Carunculce. M. Fossa, 

 a shallow pit between the edge of the pyriform aperture 

 of the superior maxilla above, and the sockets ot the 

 front teeth of the upper jaw below. 



Myrtillus (tmir-til' -us) [myrtus, fivpToc, the myrtle]. 

 The juice of the common bilberry ( Vaccinium 

 myrtillus), used for staining histologic sections. 



Myrtle (mur'-tl) [myrtus, fivprog, the myrtle]. A popu- 

 lar name for several plants of the genera Myrtus, 

 and Myrica, q. v. The wax-myrtles belong to the 

 genus Myrica. M.-wax, a solid fat obtained by 

 pressure from the berries of Myrica cerifera , Inn 

 specific gravity of 1.005 at 15 C, and fusing at from 

 45 to 4.6°C. It is used as a substitute for beeswax 

 in pharmacy and particularly in candle-mal 

 Several other species of this genus (se< 

 afford myrtle-wax. 



Myrtol (mur'-tol) [myrtus, ui'pror, myrtle ; oleum, oil]. 

 A constituent of the essential oil of Myrtus con: 

 (see Mvrtus) ; it is useful in bronchitis, vaginitis, 

 urethritis, and as a sedative and antiseptic. 1 » 

 iv-xvj, in capsules. Unof. 



Myrtus (mur' -tits) [myrtus, fivprog, myrtle]. A genus 

 of trees, shrubs, and vines, found in various pai 

 the world. M. communis, classic myrtle, which ■ 

 leaves that afford myrtol, q. v. The plant was 

 formerly much used as an astringent. Unof. 



Mysiology (mis-e-ol'-o-je). Synonym of Myology. 



Mysophobia (mi-so-fo' -bc-ah) [uvcoq, tilth ; OO&C 

 dread]. A form of insanity characterized by a dread 

 of contact, or of dirt ; rupophobia. 



Mystax (mis'-taks) [/ivarai, the upper lip]. The upper 

 lip. Also, the moustache. In biology, applied i" 



