[l 



■ 

 I 



; 



1KI1» >S< li 



I 



it]. 



itting]. 



uj. 



I 1 lie 



dy ; 

 Bag. 



V 



m 1 



. 





I in four equal parts 



inner 



I 



1 r sur- 



trunk, of vasa vor- 



iroid zone 



iliary tnus- 



15. Small at 



of Ciliary 



v and ikis. 

 1, i. Ciliary ]•< 



rounded extremities. 



5 with hi- 

 emity. 

 ulated 

 y pro- 

 id 8, 



umfer- 

 11, 11. 



riiiK 



IRREGULARITY 



principle, iridin. The fresh rhizome is purgative, 



emetic, and diuretic, and is serviceable in catarrh of 



the duodenum, and in malarial ailments. I., Ext. 



I., Ext. Fid. Dosem^v-gj. Iridin, 



,resin, is a cholagogue. Unof. Dose gr. j-v. 



1 he genus J-, embraces many other species, some of 



-11 purgative, and some reputed to be poisonous. 



I., Absence of. See Irideremia. 



I.. Angle of, that formed by the junction of the 



and the iris. I. -contraction. Sec A',//, 



I. -green. Same as Bladder-green. 

 1.. Prolapse of (or Hernia of), protrusion of a \-'\ 

 of the iris through an opening in the cornea or 

 ra ; when the iris is adherent the condition is 

 called antei vn chia; when the iri> is adherent 



to the lens behind, the condition is called posterior 

 syne, kia. I., Tremulous, arises from non-support of 

 the iris in aphakia or dislocation of the crystalline lens. 



Irish 1 [ME., Irish, Irish]. Pertaining to 



Ireland. I. Ague. Synonym of Typhus Fever, q.v. 

 I. Moss. Si irus. 



Irisin (i'-ris-in) [tptf, iris]. The precipitate from a 

 tincture of the rool oi Blue-flag, Iris versicolor; it i> 

 cholagogue, sialagogue, and diuretic. Dose 2 to 4 

 grains. I nof. 



Iritic {i-rif-ik) ['/«<;, iris; inc, inflammation], < )f the 

 nature of, pertaining to, or affected with, iritis. 



Iritis [i-ri'-h iris; ins, inflammation]. In flam - 



1 mation of the iris, called after its origin, or character, 

 blennorrhagic, rheumatic, diabetic, syphilitic, plastic, 

 serous, primary, secondary. I., Condylomatous, 

 I. papulosa ; that accompanied by the formation of 

 papules or condylomata in the iris. I. gummosa, 

 that in which gummata are formed in the iris. I. 

 papulosa. See /. , Condylomatous. 



Iritomy [i-rif '-o-me). See Iridotomy. 



Iron (i'-em) [ME., iron, iron]. See Ferrutn. I. 

 Bath. See Bath. I. Minium. Same as Colcothar. 

 I. Wood, the heart-wood of Ostrya virginica, a 

 tonic, antiperiodic, and alterative. It has been 

 successfully used in malarial diseases, neuralgia, and 

 strumous affections. Dose of the lid. ext., ,^ss-j. 

 I ii' »f. 



Irradiating [ir-ra' '-de-a-ting) [irradiare, to emit rays in 

 every direction]. Radiating from a center, as a pain 

 arising from a definite focus of irritation. 



Irradiation [ir-ra-de-a' -shuri) [irradidtio ; irradiare, to 

 emit rays in every direction). A phenomenon in 

 which, owing to the difference in the illumination of 

 the field of vision, or its background, objects appear 

 much larger than they really are. 



Irreducible [ir-re-du s'-ib-t) [in, not; reducere, to lead 

 back]. That which cannot be reduced or restored to 

 its normal condition. In chemistry, applied to a 

 npound that cannot be separated. In surgery, 

 applied to a fracture or dislocation that cannot be 

 re]. laced. I. Hernia. See Hernia. 



Irregular [ir-reg 1 '-u-lar) [in. not; regula, rule]. Not 

 ular ; not normal 1 ling to rule; not rhythmic ; 



not recurring at proper intervals. 



Irregularity t lar'-it-e) \in, not ; regula, a rule]. 



Lack of regularity; unevenness. I. of the Teeth, 

 deviation of the teeth from their natural arrangement 

 b of frequent occur ind b dependent upon a 



vat tuses. The following are among the most 



frequent: 1. Want of synchronism between the 

 destruction of the roots of the temporary teeth and 

 tin- growth ol the permanent teeth. 2. The premature 

 removal of one or more of the temporarj teeth. 3. 

 Disproportion between the size "i 1 eolar arch 



1I1. 4. Supernumerary teeth. 5. Mai- 

 1 the jaw.^. 



