lOPTKROUS 



625 



IRIDORRHEXIS 



lopterous {i-op f -ter-us)[lov, a violet ; irrep&v, a feather]. 

 In biology, having violet-colored wings. 



Iotacism [i-o'-tas-iztn) [iuTatao(i6g, iotacism], i. In- 

 ability to pronounce distinctly the proper sound of the 



letter i. 2. Substitution of the long <• sound for the e 

 sounds of other vowels. 



Ioterium [i-o-te' '-re-um) [I6g, poison ; repieiv, topierce: 

 //. , Ioteria\ In biology, a poison gland. 



Ipecac (//' '-e-kak). See Ipecacuanha. I., American. 

 Sec Gillenia. I., White. See/onidium. 



Ipecacuan (ip-e-kak r -u-an ). See Ipecacuanha, 



Ipecacuanha {ip-e-kak-u-an* -ak) [liraz., ipecaaguen\. 

 Ipecac. The root of Cephaelis ipecacuanha, found in 

 Brazil. It contains an alkaloid, emetin, ' Jl,^ 11 ,. 

 and is an emetic, expectorant, and cholagi igue ; in verj 

 small doses, gr. %, it is a mild tunic. Ii is used mainly 

 asasafe ami prompt emetic, in membranous croup, and 

 in the summer diarrhea of children. 1 lose as an 

 expectorant gr. ss-ij ; as an emetic gr. xv-xxx. I., 

 Acetum. (I!. P.) Doserr<v-xl. I., Ext, Fid. Dose 

 mj-v. I., Syr., 5 per cent, strength. Dose ^j-^ss. 

 I., Vin., 7 per cent, in strength. 1 lose ll\j— sjj. I., 

 Trochisci, contain each ' + gr. of the drug. I. et mor- 

 phinae, Trochisci, contain each,morphin sulph. gr.^, 

 ipecac gr. T V, with flavoring-oil ami sugar. Let opii, 

 Pulvis (Pulv. ipec. comp., Ii. P.) Dover's pow- 

 der, contains ipecac and opium each io, sugar of 

 milk So parts. Dose gr. ij-xv. I. cum scilla, Pil. 

 (B. P.) Dose gr. v-x. I. et opii, Tinct., deodor- 

 ized tinct. of opium ioo, evaporated to 85, fid. ext. 

 ipecac 10, alcohol q. s. ad 100. Dose rr>v-xxx. 

 Emetin. Dose as an expectorant gr. jjjj— ^5 ; as an 

 emetic yi- 1 /. 



Ipomcea Up-o-me' -ah) (m. worm; bpoiog, like]. A 

 genus of convolvulaceous plants ; bindweeds. I. 

 batatas is the sweet potato. I. purga. See Jalap. 

 I. pandurata, of the I'. S. , resembles jalap in its 

 action. The seeds of I. ccerulia are recommended as 

 a useful intestinal stimulant. I. turpethum affords tur- 

 peth-root, q.v. Many other species are medicinal. Unof. 



Iralgia {i-ral' -je-ah) . See Iridalgia. 



Irascibility {i-ras-ib-il'-it-e) [irasci, to be angry]. The 

 quality of being choleric, irritable, or of hasty temper. 

 It is a frequent symptom in some varieties of insanity 

 and in neurasthenia, and in some cases it amounts to a 

 species of insanity. 



Iridaemia [ir-id : e , -me-ah). See Tridemia. 



Iridal U f -rid-al) [ipic, iris]. Relating to the iris. 



Iridalgia (i-rid-al ' -je-ak) [Ipig, iris; aAyog, pain]. 

 Pain referable to the iris. 



Iridauxesis [ir-id-awks-e* -sis) [Ipig, iris; avi;7]Gig, in- 

 crease]. Auxesis or tumefaction of the iris. 



Iridavulsion [ir-id-av-ul'-shun) [Ipig, iris; avellere, to 

 tear away]. Surgical avulsion of the iris. 



Iridectome [ir-id-ek' '-torn) [Ipig, iris; euro/a}, a cutting 

 out]. A cutting instrument used in iridectomy. 



Iridectomy {ir-id-ek* -to-me) [>'<>"-'• iris; ikto/jt/, ex- 

 cision]. The cutting out of a part of the iris. I., 

 Antiphlogistic, one performed in inflammatory pro- 

 cesses for therapeutic purposes. In Optic I. the piece 

 of iris excised is over a portion of the lens f or beneath 

 a portion of cornea clearer than that exposed in the 

 natural pupil, as a result of which additional vision is 

 gained. See Pupil, Artificial. I., Preliminary, is 

 performed in advance of the extraction of cataract, 

 instead of at the same time. 



Iridectropium [ir-id-ek-tro f -pe-um) [Ipig, iri> ; eicrp6iriov, 

 eversion]. Eversion of a part of the iris. 



Iridemia {ir-id-e' '-me-ah) [Ipig, iris; alfia, blood]. 

 Hemorrhage from the iris. 



Iridencleisis, or Iridenkleisis {ir-id-en-kli f -sis) [Ipig, 

 iris ; tyn'/.eiv, to lock in]. See Iridodesis. 

 40 



Iridentropium [ir id ( um) [Ipig, iris ; kvrp 



a turning in]. Inversion of a part of tin 



Irideremia [ir-id-er-e' mi ah) [Ipig. iris; epijfiia, lack]. 

 Absence of one or both iridi 



Iridescence {ir-id-es' -ens) [iridescere, to shine with 

 rainbow-colors]. The property of breaking up light 

 into the spectral < . l,,i- 



Iridesis [ir-id-e* -sis). See Iridodesis. 



Indian U-rid '-c-an) [Ipig, iris]. Relating to the iris; 

 iridal. 



Iridicolor [ir-id , -ic-ul-or) [iris, a rainbow; color, color]. 

 In biology, iridescent ; exhibiting prismatic colors. 



Iridin (if-rid-in) [Ipig, iris]. Irisin ; a precipitated ex- 

 tract of Blue Flag. See Iris. 



Iriditis [ir-id-i'-tis). Same as Iritis. 



Iridization (ir-id-iz-a' -shun) [Ipig, iris]. The subjec- 

 tive appearance, as of an iridescent halo seen by per- 

 sons affected with glaucoma. 



Iridocele (i-rid'-o-sel) [Ipig, iris; td/2.7), hernia]. Pro 

 trusion of a part of the iris through a wound or ulcer. 



Iridochoroiditis [ir-id-o-ko-roid-i' -tis) [Ipig, iris; %6- 

 piov, chorion; eidog, likeness; irtc, inflammation]. 

 Inflammation of both the iris and the choroid of the 

 eye, the form usually assumed in sympathetic oph- 

 thalmia. 



Iridocinesis {ir-id-o-sin-e'-sis). See IriJokinesis. 



Iridocyclitis lir-id-o-sik-li' '-(is) [ipig, iris; tcvuXog, a 

 circle; inr, inflammation]. Inflammation of the iris 

 and the ciliary body. See Cyclitis. 



Iridocyclochoroiditis {ir-id-o-sik-lo-ko-roid-i'-tis) \lpig, 

 iris; kIk'/oc, circle ; %6piov, chorion; eldog, likeness ; 

 trig, inflammation]. Combined inflammation of the 

 iris, the ciliary body, and the choroid. 



Iridocyte {ir'-id-o-sit) [_ij>ic, rainbow; Kvrog, cell]. 

 Any cell that produces color, either by means of its 

 structure or its contents. 



Iridodesis [ir-id-od / -es-is) [Ipcg, iris; (Maig, a binding 

 together]. An obsolete method of displacing the nor- 

 mal pupil by ligature, instead of iridectomy. 



Iridodialysis [ir-id-o-di-al f -is-is). See Coredia lysis. 



Iridodonesis {jr-id-o-do-ne'-sis) [Ipt-g, iris ; d&wjoig, a 

 trembling]. Tremulousness of the iris; hippus. 



Iridokinesis [ir-id-o-kin-e' -sts) [Ipig, iris; nil ~ . 

 movement]. Any movement of the iris, normal or 

 otherwise. 



Iridomalacia (ir-id-o-mal-a'-se-ah) [ipig, iris ; fidXania, 

 softness]. Morbid softening of the iris. 



Iridomotor (ir-id-o-mo'-tor) [ipic, iris ; movere, to move]. 

 Promoting the motion of the iris. 



Iridoncosis {ir-id-on-ko'-sis) [ipig, iris; bjxuoig, a 

 puffing out]. Thickening of the iris. 



Iridoncus {ir-id-ong'-kus) [ipig, iris; bynog, mass]. A 

 tumor or swelling of the iris. 



Iridoparalysis [ir-id-o-par-aV '-is-is) [ipig, iris; Trapd- 

 '/rnic, paralysis]. Paralysis of the iris. 



Iridoparesis {ir-id-o-par'-es-is) [Ipig, iris; -npeatg, a 

 letting go]. A slight or partial paralysis of the iris. 



Iridoplania {ir-id-o-pla' -ne-ah) [Ipig, iris ; -/.air], a 

 wandering]. Same as Hippus. 



Iridoplasma [ir-id-o-plaz'-mah) [ipig, iris ; rr/.aaua, 

 anything formed]. A form of degeneration of the 

 iris. 



Iridoplegia [ir-id-o-ple f -je-ak) [ipig, iris ; TrXjjyq, stroke]. 

 Paralysis of the sphincter of the iris. 



Iridoptosis [ir-id-op-to r -sis) [Ipig, iris; irrcoaig, a fall- 

 ing]. Prolapse of the iris. 



Irido-pupillary [ir-id-o-pu' -pil-a-re) [ipig. iris ; pupilla, 

 the pupil of the eye]. Pertaining to the iris and the 

 pupil. 



Iridorrhexis (ir-id-or-reks^-is) [ipig, iris; l>i,£ig, a 

 breaking]. Iridectomy with iridavulsion. Rupture of 

 the iris. 



