IPOMEIN 



316 



IRON 



Ipomein (ip-o-me'-in). A glucosid, C 78 H 132 36 , from 

 the root of Ipomceu fastigiata, Sweet. 



Ipomcea. (See Illus. Diet.) I. fastigiata, Sweet, 

 wild jalap, manroot, an American species ; it is used 

 as a purgative. It contains ipomein. I. stans, Cav. , 

 a species indigenous to Mexico, has an emetic and 

 purgative root which has been used for a long time in 

 treatment of epilepsy. 



Ipsilene [ipZ-sil-en). A gas used as a disinfectant ob- 

 tained from iodoform by action of ethyl chlorid with 

 heat and pressure. 



Iquinin {ik-win'-in). A proprietary remedy for malaria. 

 Dose, 2-IO gr. every 2 or 3 hours. 



Iretol (i'-ret-ol) [Iris, a genus of plants]. C 7 H 8 4 . A 

 phenol obtained by fusing irigenin with potash; it 

 melts at 186 C. Syn., Methoxyphloroglucin. 



Irian [i'-re-an) [ipic, iris]. Relating to the iris. 



Iridadenosis (i-r/d-ad-en-o / -sis) [Ipiq, iris; adijv, gland]. 

 A glandular affection of the iris. Ger., Irisdriisen 

 krankheit. 



Iridectomize {i-rid-eli > '-tom-iz) [ipic, iris ; zktojiti, a cut- 

 ting out]. To excise a part of the iris ; to perform 

 iridectomy. 



Iridin, Iridinum. (See Illus. Diet.) 2. A glucosid 

 from the rhizome of Iris florentina, L. Cf. drone. 



Iridium {i-rid'-e-twi) [Ipir, a rainbow]. A platinoid 

 metal ; alloyed in small percentage with platinum it 

 confers rigidity upon the latter. The alloy is used as 

 plate in mechanical dentistry. 



Iridocapsulitis (i-rid-o-kap-su-li'-tis). Inflammation in- 

 volving the iris and the capsule of the lens. 



Iridocoloboma (i-rid-o-kol-o-bo f -?nah) [ipiQ, iris; no/6- 

 (iup.a, a mutilation]. 1. The portion of iris removed 

 in iridectomy. 2. See Coloboma (Illus. Diet.). 



Iridocyclectomy (i-rid-o-si-kle.¥-to-me) [ipic, iris ; 

 KVK/.og, circle; ekto/li?/, excision]. Excision of the iris 

 and of the ciliary body. 



Iridocystectomy {i-rid-o-sist-ek'-to-me) [ipir, iris; 

 nvanc, bladder ; iktoili], excision]. Knapp's operation 

 for making a new pupil when iridocyclitis or iridocap- 

 sulitis following cataract operations or trauma has 

 closed the old. 



Iridodialysis. (See Illus. Diet.) 2. The separation 

 of the iris from its attachments. 



Iridoiridic (i-rid-o-i-rid'-ii). Containing iridium as a 

 quadrivalent radicle (apparently a trivalent radicle). 



Iridol {i'-rid-ol) [Iris, sl genus of plants]. C 7 H 5 (OC- 

 H,)jOiI. A phenol obtained from distillation of iridic 

 acid (C 10 H 12 O 6 , from orris-root). It melts at 57 C. , 

 boils at 249 C. 



Iridoleptynsis (i-rid-o-lep-tin'-sis) [ioir, iris ; aektvv(sic, 

 attenuation]. Attenuation or atrophy of the iris. 



Iridolin {i-rid'-o-lin). C 10 H 9 N. A base from coal-tar 

 isomeric with lepidin. 



Iridoparelkysis (i-rid-o-par-el'-kis-is) [ipir, iris; nap- 

 i/-Knv, to draw aside]. An induced prolapse of the 

 iris to effect displacement of the pupil. 



Iridoplatinum (i-rid-o-plat'-in-um). An alloy of 

 iridium and platinum; used in making electrodes, etc. 



Iridosclerotomy (i-rid-o-skler-ot'-o-me) [ipir, iris; 

 OK/.rjpdr, hard ; ri/xvetv, to cut]. Puncture of the sclera 

 with division of the iris. 



Iridosis (i-rid-o / -sis). See Iridodesis (Illus. Diet.). 



Iridosteresis (i-rid-o-ster-e'-sis) [ipir, iris; arkprioir, 

 loss]. See Aniridia and Iridiremia (Illus. Diet.). 



Irigenin {i-rij'-en-in). C, H, 6 O g . A resolution-pro- 

 duct of the glucosid iridin by action of dilute sulfuric 

 acid. It has the properties of a phenol, forms crystals 

 melting at 186° C, and gives an intense violet color 

 with ferric chlorid. 



Irine {i f -rin). See Iris Camphor. 



Iris. (See Illus. Diet.) 3. A genus of plants of the 



order Iridetz. I. -camphor, C 8 H 16 2 , a camphor-like 

 substance with strong odor of orris-root distilled by 

 Vogel from rhizome of Iris florentina, L. It forms 

 white pearly scales soluble in alcohol. Syn., Irine. 

 I. florentina, L., I. germanica, L., and I. pallida, 

 Lam., are indigenous to Europe. Their rhizomes con- 

 stitute the orris-root of commerce and contain starch, 

 fat, the glucosid iridin iridic acid, myristinic acid, and 

 oleic acid. I. -pigment, the chemically pure pigment 

 of the bovine eye triturated with water is used for tat- 

 tooing corneal opacities. 



Irisation (i-ri-sa'-shun) [Iptg, the rainbow]. See Irides- 

 cence (Illus. Diet. ). 



Irish. (See Illus. Diet.) I. Button, syphilis (Wallace 

 and Corrigan, 1823). 



Irisia (i-riV-e-ah). The unpeeled rhizomes of Iris 

 germanica, L. 



Irisol (i'-ris-ol). A proprietary disinfectant, said to 

 contain iodoform, 50%, and boric acid, 45%. 



Iritis. (See Illus. Diet. ) I., Podophyllin, that caused 

 among the handlers of podophyllin by getting the dust 

 of the drug in the eyes. 



Iritoectomy (i-rit-o-ek' '-to-me) [ipir, iris; eKTOfiq, a cut- 

 ting out]. The removal of a portion of the iris and 

 iritic membrane for occlusion of the pupil. 



Iron. (See Illus. Diet.) 2. See Ir one. I. Albumin- 

 ate, Peptonized, light-brown powder, soluble in 

 water. Dose, 3-10 gr. (0.2-0.65 gm.). Syn., Pep- 

 tonized ferric albuminate. I. Albuminate, Sac- 

 charated, reddish-brown powder, soluble in water. 

 Dose, 5-20 gr. (0.3-1.3 gm.). I. Alcoholized, pul- 

 verized iron. I. Alginate, a tasteless brown powder 

 containing II % of iron, valuable for its nonirritating 

 qualities. Dose, 10-15 gr. (O.66-I gm.). I., Am- 

 moniated, I., Ammoniochlorid, I. and Ammo- 

 nium Chlorid, a reddish-yellow, hygroscopic powder 

 containing 2.5% of ferric chlorid and 97.5% chlorid; 

 it is used as an aperient and chalybeate. Dose, 4-12 

 gr. (0.26-0.78 gm. ). Syn., Ammonium chlorid, fer- 

 rated. I. and Ammonium Arsenocitrate, used as 

 an antiperiodic for children. Dose, hypodermically y 2 

 gr. every second or third day. I. Benzoate, Fe.,(C 7 - 

 H s O a ) 6 , a buff powder containing 25% of ferric oxid, 

 soluble in cod-liver oil. Dose, 1-5 gr. (0.06-0.32 gm. ). 

 I., Bromoiodid, a compound of ferric bromid and ferric 

 iodid forming a brown powder used as alterative ami 

 tonic. Dose, ]/ 2 -2 gr. (0.03-0.13 gm.). I. Caco- 

 dylate, it is used in chlorosis, etc. Dose, 2-4 gr. daily ; 

 hypodermically ^-I J2 gr. Syn., Atarsyle. I. -casein, 

 I. Caseinate, a flesh-colored precipitate without taste 

 or odor obtained from casein of milk with iron lactate. 

 containing 5.2^ of ferric oxid ; it is used as a nutritive. 

 Dose, 2-IO gr. (0.13-0.65 gm.) 3 times daily. Syn., 

 Iron nucleoalbuminate, Fer rum caseinatum. I. Cit- 

 ropyrophosphate. See Ammonium Citrate with 

 Iron pyrophosphate. I. Ferrocyanid, dark blue 

 powder or lumps obtained from ferric salts with potas- 

 sium ferrocyanid; it is used as a tonic, antiperiodic, 

 and cholagog. Dose, 2-5 gr. (0.13-0.32 gm.). Syn., 

 Insoluble iron cyan id; Prussian blue; Berlin blue; 

 Ferric ferrocyanid. I. Glycerinophosphate, FePCy 

 C 3 H 5 (OH .), 4- 2H 5 C), yellow scales soluble in water. 

 It is used in neurasthenia, phosphaturia, Addison's dhv 

 ease, etc. Dose, 2 gr. (o. 13 gm.) 3 times daily. I. 

 Hydroxid. See Ferrum oxid. hydralum (Illus. 

 Diet.). I. Lactoalbuminate, light brown powder 

 partly soluble in water. Dose, 1-5 gr. (o 065-0.32 

 gm. ). I. Lactophosphate, a compound of ferric 



• phosphate, 56%, and ferrous lactate. 44 ', ; a greenish- 

 white powder used in chlorosis. Dose, 1-5 gr. 

 (0.065-0.32 gm. ). I. and Magnesium Citrate, 

 brown scales soluble in water. Dose, 5 _I ° g r> (°-3 2 ~ 



