OPHTHALMOTONOMETRY 



934 



OPISTHOTONOS 



Ophthalmotonometry {off-thai' -mo-ton-om' -et-re) [b(j>- 

 OaAfiog, eye ; rovog, tone ; pirpov, measure]. Meas- 

 urement of the intraocular tension. 



Ophthalmotrope {off-thai' -mo-trop) \_b(j>da?.pog, eye ; 

 rponog, a turn]. An instrument intended for the dem- 

 onstration of the direction and the position that the eye 

 takes under the influence of each of its muscles, and 

 the position of the false image in the case of paralysis 

 of a given muscle. 



Ophthalmotropometer [off -thai' -mo-trop - om'-et-er ) 

 [b(pda7ifi6Q , eye; rponr), turning; perpov, measure]. 

 An instrument for measuring the movement of the eye- 

 balls. 



Ophthalmotropometry {off-thai'- mo - tro - pom' -et-re) 

 [b^dakpbq , eye; rponi], turning; fierpov, measure]. 

 The measurement of the movement of the eyeballs. 



Ophthalmotyphus {off-thai' '-mo-ti' '-/us) \bfdaAp6c, eye ; 

 TvQog, stupor] . A virulent and epidemic form of oph- 

 thalmia. 



Ophthalmoxerosis {off -thai' -mo-ze-ro' -sis). See Xer- 

 ophthalmia. 



Ophthalmoxysis {off-thai' -moks-i' -sis) [bfflahpoc, eye ; 

 ^v<ng, a scraping]. The treatment by scraping or 

 scarification, sometimes employed in certain affections 

 of the conjunctiva. 



Ophthalmoxyster {off-thai- moks-is' -ter). The same as 

 Ophthalmoxy strum . 



Ophthalmoxystrum {off-thal-moks-is' -truni) [wptiaApdg, 

 eye ; l-harpa, scraper]. An instrument for scraping or 

 scarifying the conjunctiva. 



Ophthalmozoa {off-thal-mo-zo' -ah) \b<pdaAp6q, eye ; 

 r tiov, animal]. I. Entozoa parasitic upon the eye or 

 its appendages. 2. One of Oken's five zoologic 

 divisions. 



i)phthalmula {off-thal-mu' -lah) [btydaA.fi6q, eye ; vXrj, 

 matter]. A scar of the eye. 



Ophthalmuria {off-thal-mu' -re-ah) [b<j>6a?,p6c, eye ; 

 ovpov, urine]. A hypothetic metastasis of urine to 

 the eyes. 



Ophthalmus {off-thai' '-mus). See Ophthalmos. 



Ophthalmy {off-thal'-me). The same as Ophthalmia. 



Ophthalmyalus {off-thal-mi'-al-us). Synonym of 

 Vitreous Humor. 



Ophthalmydrorrhea (off-thal-mid-ror-e'-ah) [btydahpog , 

 eye ; v6up, water; poia, flow]. A watery discharge 

 from the eyes. 



Ophthymen {off-thi' -men) [otydaA.fi6g, eye ; vpr/v, mem- 

 brane]. The retina. 



-opia {-o'-pe-ah). See -ops.' 



Opiane {o'-pe-an). Same as Narcotin. 



Opianic {o-pe-an' -ik) [biuov, opium]. Derived from 

 opium. O. Acid. See Acid. 



Opianin {o-pe-an' -in) [bntov, opium], C^H^NgOj. An 

 alkaloid obtained from opium by precipitation with 

 ammonia, and extracting the precipitate with alcohol. 



Opianyl {o'-pe-an-il) [biuov, poppy -juice ; v7.r), matter], 

 C ]0 H ]0 O 4 . A synonym of A/econiu. 



Opiate (o'-pe-dt) [biuov, poppy-juice]. A preparation 

 of opium. 



Opiokapnism {o-pe-o-kap' -nizm) [biuov, opium ; Kanvlx;, 

 smoke]. Opium-smoking. 



Opiologia {o-pe-ol-o' '-je-ah) [biuov, opium ; teyuv, to 

 gather]. The gathering of opium. 



Opiology {o-pe-ol' -o-je) [biuov, opium ; A-dyoq, science]. 

 The pharmacology of opium. 



Opionin {o-pe-o'-nin) [biuov, poppy -juice]. A non- 

 nitrogenous crystalline substance extracted from 

 Smyrna opium. 



Opiophagia {o-pe-off-a' -je-ah ) . Synonym of Opio- 

 phagism. 



Opiophagism (o-pe-off'-ajism), Opiophagy (o-pc-off'- 

 aj-e) [biuov, opium; <payeiv, to eat]. Opium-eating. 



Opiophile {o'-pe-o-fil) [biuov, opium ; o/Aelv, to love]. 

 A lover, or eater, of opium ; an opium-smoker. 



Opisthantrus {o-pis-than' -trus) [b-taBev, behind ; 

 avrpov, a cave : //. , Opislhantri'] . Lissauer' s term 

 for a skull in which the vertical line dropped from 

 the most prominent part of the torus frontalis to the 

 radius fixus is from I to 6 mm. behind the vertical 

 line from the nasion to the radius fixus. 



Opisthen {o-pis' -then) [biuodev, behind]. In biology, 

 the hind part of the body of an animal. 



Opisthenar {o-pis' -the-nar) [biuadivap, from on 

 behind; 6ivap, the palm]. The back of the hand. 

 Cf. Thenar. 



Opisthion {o-pis' -the-on) [birioOiog, hinder] . See Cram- 

 ometric Points. 



Opisthobregmus {o-pis-tho-breg' -mus) [bmaOev, behind; 

 (ipeypoc, the bregma]. Lissauer's term for a skull in 

 which the angle formed between the radius fixus and 

 the line joining the hormion and the bregma is be- 

 tween 55.5 and 68°. 



Opisthocelous {o - pis - tho - se' '- lus) [biuodev, behind; 

 koIIoq, hollow]. Concave anteriorly and convex pos- 

 teriorly, as the centrum of a vertebra. 



Opisthocephalon ( o -pis - tho - sef- al-on) [biucdev, be- 

 hind ; KEtyaAij, the head]. A synonym of Occiput. 



Opisthochasmus {o-pis-tho-kaz' -mus) [biuodev, behind ; 

 Xaafia, chasm]. Lissauer's term for a skull in which 

 the angle between the radius fixus and the line join- 

 ing the basion and the staphylion is between 13 

 and 26 . 



Opisthocranion {o-pis-tho-kra'-ne-on) [biuafiev, behind; 

 Kpaviov, the skull]. A synonym of the occipital bone. 



Opisthodont (o-pis' -tho-dont) [p-iaOev, behind ; 

 tooth]. In biology, possessing back teeth only. 



Opisthogastric {o-pis-tho-gas'-trik) [biuoOev, behind : 

 yacTTjp, the stomach]. Situated back of the stomach. 



Opisthoglyphic {o-pis-tho-glif -ik) [biucdev, behind ; 

 yA-vfetv, to curve]. Grooved posteriorly, e. g., 1 

 teeth. 



Opisthognathism {o-pis-thog' -nalli-izm) [o^/<r"; 

 hind; yvddoc, jaw]. Recession of the lower jaw. 



Opisthognathous (op-is-thog' -na-thus) [biuaUt 

 hind; yvadog, jaw]. In biology, having reti 

 jaws ; the antonym of Prognathous. 



Opisthokyphosis {o-pis-tho-ki-fo' -sis) [biucdev, back : 

 ward; Kryuctr, bending]. Curvature of the 

 column, the convexity being forward. 



Opisthomelophoros {o-pis-tho-mel-off ' -or-os) [b~ 

 hinder; peAoc, limb ; yopelv, to bear] . Anions! 

 with limbs projecting from the back. 



Opisthophalacrosis (o-pis-tho-fal-ak-ro'-sis) [bi\ 

 behind; <pa?.aKpuoLc, baldness]. Baldness of tin 

 of the head. 



Opisthoporia {o-pis-tho-po-ri'-ah) [biuodev, backi 

 Trope/a, going]. Involuntary backward walking 

 attempt to go forward. 



Opisthorrhexis {o-pis-thor-eks'-is) [biucdev, 1 

 pf/t-ig, a rupture]. A tearing backward. 



Opisthosynechia {o-pis-tho-sin-ek'-e-ah). Synon; 

 Synechia, Posterior. 



Opisthothenar (o-pis-thoth' -en-ar). The Erector s/>i" 

 muscle. See Muscles, Table of. 



Opisthotic (op-is-thot'-ik) [biuodev, behind ; 



In biology, applied to parts of the ear-apparatus, 

 terior in position. 



Opisthotonic {o-pis-tho-ton' -ik) [biuodev, behind ; to 

 tone]. Pertaining to opisthotonos. 



Opisthotonoid {o-pis-thof -on-oid) [biuodev, bel 

 rbvoc , tone ; ehhc, like]. Resembling opisthotonos. 



Opisthotonos {0 - pis - tho/'- on- os) [biuodev, behiro 

 rbvoc, tone], A tetanic condition of the muscle 

 especially of the back, whereby there is an archie 



