IRRESPIRABLE 



627 



ISCHIOCERITE 



Irrespirable (ir-res-pi' '-rab-I) [in, not ; respirare, to 

 breathe]. Not capable of being breathed. 



Irrigant ir'-ig-ant) [irrigare, to lead water to]. A 

 substance or wash used in or by irrigation. 



Irrigation yir-ig-a'-shun) [irrigare, to lead water to]. 

 The application of water, especially a stream, to an 

 inflamed or abnormal tissue for purposes of moistening, 

 antUepsis, cooling, or flushing the part. 



Irrigator (ir 4 '-ig-a-tor) [irrigare, to lead water to]. An 

 apparatus, or device, for accomplishing the irrigation 

 of a part, surface, or cavity. 



Irritability \ir-it-ab-il' -it-e) [irritabilitas, irritability]. 

 The quality of being susceptible to excitement or 

 irritation. I., Faradic, the muscular contraction 

 caused by a secondary or induced current. I., Gal- 

 vanic, the muscular contraction caused by the 

 direct current. I., Muscular, the inherent contractile 

 quality of a muscle. I., Nervous, the property of a 

 nerve to transmit impulses upon stimulation. See, 

 also, Irascibility. 



Irritable (ir'-it-ab-l) [irritabilis, easily excited]. 

 Easily innamed. Susceptible to irritation. I. Blad- 

 der, a condition of the bladder marked by constant 

 desire to void urine. I. Breast, a neuralgic condi- 

 tion of the mammary gland, usually associated with 

 uterine affections, or with intercostal neuralgia. I. 

 Heart, Da Costa's term for a peculiar condition of the 

 heart characterized by precordial pain, dyspnea on exer- 

 tion, palpitation, and irregularity of the heart's action. 

 It is induced by over-exertion, masturbation, and neu- 

 rotic tendencies. Hypertrophy may occasionally 

 develop. I. Spine, a condition of spinal anemia 

 frequently occurring in young hysteric females. There 

 is pain along the spine, with tenderness on pressure, 

 and vertigo, nausea, palpitation, and neuralgias. I. 

 Testicle. See Testicle. I. Tongue, the clean, very 

 red tongue, with enlarged red papillae about its tip, 

 seen in the dyspepsia of drunkards. 



Irritant (ir* -it-ant) [irritare, to excite]. I. Causing, 

 or giving rise to, irritation. 2. An agent or remedy that 

 uces irritation or inflammation. I., Chemic, one 

 ng by virtue of its affinity for the elements or 

 pounds of organic tissue, as nitric acid, or potassic 

 drate. I., Mechanical, one causing lesions or 

 animations by mechanical operation, as cuts, con- 

 tusions, pressure, or distention. I., Nervous, one 

 acting through the medium of the nerves. 



Irritation [ir-it-a'-shun) [irritatio, excitement]. A con- 

 dition of undue excitement. Also, an inflamed state. 

 Also, the stimulus necessary to the performance of the 

 functions of an organ. 



I Irritative (ir'-it-a-tiz) [irritare. to excite]. Exciting or 

 irritating. I. Fever, a febrile condition dependent 

 upon the presence in the body of irritating substances. 

 Also a synonym of Simple Continued Fever. 

 Irrorate (ir'-or-at) [in, upon ; rorare, to distil dew] . 



In biology, minutely dotted, as if with small dew- 

 drops. 

 Irrumation (ir-u-ma' '-shun) [irrumare, to give suck]. 



Same as Buccal Coitus, q. t: See Xameless Crime. 

 Isabel, Isabelle (iz'-a-bel) [Isabelle, a woman's name]. 



Drab, or yellowish gray. 

 Isadelphous (i-sad-el'-fus) [icoc, equal ; adefydc, 



brother]. In biology, having an equal number of 



stamens in each bundle or brotherhood. 

 Isambert's Disease. Acute miliary tuberculosis of 



the larynx and pharynx. 

 Isandrous {i-sau'-drus) [iaoc, equal; avijp, a male]. 



In biology, having stamens alike and corresponding in 



number to the petals. 

 Isanthous (i-san' -thus) [iaoc, equal; avdoc, a flower]. 



In biology, having regular flowers. 



orgb 



|indu< 

 1 

 inflai 

 tusio 





Isatin (i'-saJ-in) [laaric, wood], C 8 H 5 NO ? . A substance 

 obtained by the oxidation of indigo with HNO s . It 

 crvstallizes in yellowish red monoclinic prisms", melting 

 at 201° C. It dissolves in water and in alcohol with a 

 reddish-brown color; it has a disagreeable odor. I.- 

 yellow. See Pigments, Conspectus of. 



Isatoxim (i-sat-oks'-im) [laaric, wood ; roginov, poison], 

 C 8 H 6 N 2 Oj. A substance prepared from isatin and 

 hydroxylamin. It crystallizes from alcohol in yellow 

 needles, and melts at 202 C. 



Isatropylcocain (i-sat-ro 1 -pil-ko-ka' -in) , C 19 H M N0 4 . 

 An amorphous alkaloid from coca leaves. It has no 

 anesthetic properties, but is said to be an active cardiac 

 poison. Unof. See Cocamin. 



Ischemia (is-kY -me-ah) [iaxeiv, to check ; alfia, blood]. 

 Bloodlessness. Deficiency of the supply of blood to 

 a part. Local anemia. 



Ischemic (is-kem' -ik) [iaxeiv, to check ; alua, blood]. 

 Affected with or relating to ischemia. 



Ischesis (iY-kes-is) [iaxeiv, to check]. Retention or 

 suppression of a discharge or secretion. 



Ischiadic {is-ke-ad'-ik). Same as Ischiatic. 



Ischiagra (is-ke-a'-grah) [laxiov, hip ; ay pa, seizure]. 

 Gout in the hip. 



Ischial (tY-ke-al) [lax'ov, ischium]. Pertaining or 

 belonging to the ischium. 



Ischialgia (is-ke-al'-je-ah) [laxiov, hip; a?.yoc, pain]. 

 Sciatica ; neuralgia of the hip. 



Ischialgic (is-ke-al' -jik) [laxiov, hip; a/.yog, pain]. 

 Relating to or affected with ischialgia. 



Ischiatic (is-ke-aY -ik) [laxiov, hip]. Pertaining to the 

 ischium. I. Notches, the notches, greater and 

 lesser, of the ischium. The former transmits the 

 pyriformis muscle, gluteal vessels, and superior gluteal 

 nerve, the latter the tendon of the obturator intemus, 

 its nerve, and the pudic vessels and nerve. These 

 notches are called also sacro-sciatic notches. (See 

 illustration on p. 228.) 



Ischiatitis (is-ke-al-i 1 -tis) [lax'ov, hip ; inc, inflamma- 

 tion]. Inflammation of the sciatic nerve. 



Ischiatocele (is-ke-aY -o-sel ). See Ischiocele. 



Ischidrosis (is-kid-ro / -sis) [iaxeiv, to suppress ; idpac, 

 sweat]. Suppression of sweat. 



Ischidrotic (is- kid-rot' -ik) [iaxeiv, to suppress ; idpuc, 

 sweat]. Causing a retention or suppression of the 

 sweat. 



Ischien (tY-ke-en) [laxiov, hip]. Belonging to the 

 ischium in itself. 



Ischigalactic (is-ke-gal-ak / -tik) [iaxeiv, to restrain ; 

 }<i/a, milk]. 1. Tending to check the flow of milk. 

 2. An antigalactic agent or medicine. 



Ischio- (iY-ke-o) [loxioi>, hip]. A prefix indicating 

 relationship to the ischium. I. -anal, pertaining to 

 the ischium and the anus. I. -bulbar, pertaining to 

 the ischium and the bulb of the urethra. I. -capsular. 

 pertaining to the ischium and the capsular ligament of 

 the hip. I.-cavernosus, the muscle that compresses 

 the veins of the cms penis and assists in the erection 

 of the penis. The I.-clitorianus has a similar rela- 

 tion.to the clitoris. See Muscles, Table 0/ ". I. -fibular, 

 pertaining both to the ischium and the fibula. I.- 

 neuralgia, sciatica. I. -perineal, belonging to or 

 pertaining to both ischium and perineum ; pertaining 

 to the space between the anus and the scrotum. I.- 

 pubeotomy. See Farabctu/'s Operation. I. -sacral, 

 relating to the ischium and the sacrum. I. -tibial, 

 relating both to the ischium and the tibia. I. -verte- 

 bral, relating to the ischium and the vertebral column. 



Ischiocele (iY-ke-o-sil) [laxiov, hip; wy/.^, tumor]. Is- 

 chiatic hernia. 



Ischiocerite (is-ke-os'-er-it ) [lax'ov, hip-joint ; Ktpac, 

 horn]. In biology, the third joint of the developed 



