MYLOHYOID 



828 



MYOGRAM 



pharynx — that which arises from the mylo-hyoid ridge 

 of the lower jaw. Also, an anomalous slip joining 

 the styloglossus. 



Mylohyoid, Mylohyoidean (mi-lo-hi 1 '-oid, mi-lo-hi- 

 oid-e'-an) [fiv'hrf, mill ; voEidqg, hyoid]. Pertaining 

 to the lower molar teeth and the hyoid bone. M. 

 Muscle. See Muscles, Table of. 



Mynsicht's Elixir. Aromatic sulphuric acid. 



Myo- (mi'-o-) [ftvg, a muscle]. A prefix signifying mus- 

 cle. M.-albuminose, one of the proteids of muscle- 

 plasma, closely associated with the myosin-ferment. 

 See Muscle-plasma. M.-albumose, Myoproteose ; a 

 proteid substance of muscle-plasma closely connected, 

 or identical, with the myosin-ferment, and having the 

 general properties of deutero-albumose. M. -globu- 

 lin, a substance obtained from muscle, closely resem- 

 bling serum-globulin in its properties. Its coagulation- 

 temperature is 63 C, however, while that of serum- 

 globulin is 75 C. 



Myoatrophy (tni-o-at f -ro-fe) [fivg, muscle ; arpoQia, 

 atrophy]. Atrophy of a muscle. 



Myoblast (mi f -o-blast) [fivg, muscle; ftkaarSg, germ]. 

 In biology, a muscle- forming cell ; a descendant of the 

 cells which at an early stage of the metazoan embryo 

 sink below the level of the epithelium to which they 

 belonged. M. epitheliales, epithelial muscular cells, 

 neuro-muscular cells, tela muscularis epithelialis. M. 

 mesodermales, mesodermal muscular cells, tela 

 muscularis mesodermalis. 



Myoblastic (mi-o-blas' -tik) [fivg, muscle ; (32.aoT6g, 

 germ]. Relating to or of the nature of a myo- 

 blast. 



Myocarditis (mi-o-kar-di' -tis) [fivg, muscle; napdia, 

 heart; trig, inflammation]. Inflammation of the mus- 

 cular tissue of the heart ; it may be parenchymatous or 

 interstitial. M., Segmenting, a form characterized 

 by separation of the muscle-cells from softening of the 

 cement-substance. 



Myocardium (mi-o-kar' '-de-um) [fivg, muscle ; napdia, 

 heart]. The muscular structure of the heart. 



Myocele (mi f -o-sel) [five, muscle; mfkr], tumor]. The 

 protrusion of a muscle through its ruptured sheath. 



Myocelialgia (mi-o-se-le-al'-je-ah) [fivg, muscle ; noikia, 

 cavity ; ak/og, pain] . Pain in the muscles of the 

 abdomen. 



Myocelitis (mi-ose-li* '-lis) [fivg, muscle ; noikia, cavity ; 

 irig, inflammation]. Inflammation of the abdominal 

 muscles. 



Myocelome (mi-o-se' '-lorn) [frig, muscle ; noikia, cavity]. 

 The cavity of a protovertebra or myotome. 



Myocephalon (mi-o-sef' -al-on). Synonym of Myio- 

 cephalon. 



Myochorditis (mi-o-kor-di'-tis) [fivg, muscle ; x°P^Vy 

 cord ; trig, inflammation]. Inflammation of the 

 muscles of the larynx and the vocal bands. 



Myochrome (mi'-o-kroni) [fivg, muscle ; xpufta, color]. 

 Myohematin, q. v. 



Myochronoscope (mi-o-kro' '-no-skop) [fivg, muscle ; 

 Xp6vog, time ; okottuv, to examine]. An instrument 

 for measuring the rapidity of muscular contraction or 

 the propagation of a nerve-stimulus through a muscle. 



Myoclonia (mi-o-klo'-ne-ah) [fivg, muscle ; nkdvog, 

 spasm]. Clonic spasm of the muscles. 



Myoclonus (mi-ok'-lo-nus) [fivg, muscle ; nkdvog, 

 clonus]. Clonic spasm of a muscle, or of various 

 muscles. M. multiplex. See Paramyoclonus mul- 

 tiplex. 



Myoccele (mi' -o-sel) [fivg (fivdg), a muscle; noikia, a 

 cavity]. Hatschek's term for the thick epithelium of 

 the ental wall of the dorsal segments of the am- 

 phioxus larva, which produces the muscles of the 

 entodermal side of the cavity of the segments. 



Myocolpitis (mi-o-kol-pi' '-tis) [fivg, muscle ; ndkirog, 

 vagina; irtg, inflammation]. Inflammation of the 

 muscular coat of the vagina. 



Myocomma (mi-o-kom'-ah) [fivg, muscle; ndfifia, seg- 

 ment: //., Myocommata\ Any one of the trans- 

 verse segments into which embryonic muscle-tissue 

 is divided. In adult man, some of the muscles 

 exhibit traces of these primitive myocommata. A 

 myotome, or muscular metamere, a segment of the 

 grand muscle lateral of Cuvier. 



Myocrismus (mi-o-kriz' -mus) [fivg, muscle ; npifav, 

 to creak]. A creaking sound heard over muscles 

 during contraction. 



Myoctonin (mi-ok' -to-nin) [fivg, mouse; nrriveiv, to 

 kill] . A bitter extractive of Aconitum lycoctonum, 

 a powerful poison resembling curare in action. Unof. 



Myocyst (mi'-o-sist) [fivg, muscle; nvarig, cyst]. A 

 cystic tumor of a muscle. 



Myocyte (ini' '-o-sit) [fivg, muscle; nvrog, cell]. A 

 muscle-cell ; a structural element conspicuous in the 

 histology of certain of the lower animals. 



Myodemia (mi-o-de'-me-ah) [ftvg, muscle ; drjfiog, fat]. 

 The fatty degeneration of muscle. 



Myoderma (mi-o-der' '-mah) [fivg (fivog), a muscle; 

 dep/ia, the skin]. In biology, the muscular layer or 

 " lamina muscularis ' ' of the invertebrate ectoplasm. 

 Cf. Myophan. 



Myodes (mi-o'-dez) [fivg, muscle; eldog, like]. I. Re- 

 sembling muscle; muscular. 2. The platysma, or 

 fleshy expansion of the neck. See Muscles, Table of. 



Myodesopsia (mi-o-dez-ops' -e-ah) See Myiodesopsia. 



Myodiastasis (mi-o-di-as' '-tas-is) [fivg, muscle ; 61a, 

 apart; araaig, a standing]. I. The separation that 

 takes place between the ends of a cut muscle. 2. 

 The traumatic injury of a muscle by straining or 

 stretching. 



Myodopsia (mi-o-dop'-se-ah). Synonym of Myiodesopsia. 



Myodynamia (mi-o-di-na' -me-ah) [i-tvg, muscle; 6v- 

 vafiig, force]. Muscular power or strength. 



Myodynamic (mi-o-di-nam' '-ik) [/n>c, muscle ; dvrauig, 

 power]. Pertaining to the force of muscular contrac- 

 tion. 



Myodynamics (ini-o-di-nam f -iks) \jivg, muscle; 6vva/Uf, 

 power]. The mechanics of muscular action. 



Myodynamometer (ini-o-di-nam-om'-et-er) [fivg, mus- 

 cle; Svvafug, power; fierpov, measure] An instru- 

 ment for measuring muscular strength. 



Myodynia (ini-o-din' -e-ali) \jxvg, muscle ; bd'uvj}, pain]. 

 Pain in the muscles. 



Myoendocarditis [mi-o-en-do-kar-di' '-tis) [/wg, muscle ; 

 evdog, within; napdia, heart; urig, inflammation]. 

 Simultaneous inflammation of the endocardium and 

 the myocardium. 



Myofibroma (mi-o-fi-bro'-mah) [//t>c, muscle; fibra, 

 fiber; b/ia, tumor : pi., Myofibromata\ A muscular 

 tumor containing fibrous elements. Such tumors are 

 common in the walls of the uterus. 



Myogaster (mi 1 ' -o-gas-ter)\_jivg , muscle ; yaari/p, belly]. 

 The belly of a muscle. 



Myogenesis (mi-o-jen' '-es-is) [/'rg, muscle; ynaig, 

 genesis]. The development of muscular tissue. 



Myogenic (mi-o-jen' -ik) \jtvg, muscle; )trva\\ to pro 

 duce]. Of muscular origin. 



Myognathus (mi-og'-na-lhus) [,//iV. muscle ; 



jaw]. A form of double monstrosity in which the 

 accessory head is joined to the autosite by me 1 

 muscle and integument only. 



Myogonic (mi-o-gon'-ik) [fivg, muscle ; ; 



be born]. Inherent in muscle, as contractile power. 



Myogram (mi f -o-gram) [fivg, muscle; ypa/jfia,* 

 marking]. The muscle-curve as inscribed by the 

 myograph. 



