HETEROMETRY 



294 



HISTOFLUORESCENCE 



Heterometry (het-er-om'-et-re) [erepoq, other; ptrpov, 

 measure]. Deviation from the normal state in a part, 

 in regard to the amount of its contents. 



Heterophasia (het-er-o-fa' '-ze-ah). See Heterophemy 

 (Illus. Diet.). 



Heterophthalmus (het-er-of-thal ' ' '-mus). See Hetero- 

 chromia (Illus. Diet.). 



Heteroproteose (het-er-o-pro' '-te-oz). A product of the 

 digestion of syntonin in the stomach. 



Heteroptics (het-er-op' '-tiks) j [erepog, other; 6tttik6c, 

 belonging to sight]. I. Deuteroscopy. 2. Perverted 

 vision. 



Heterorrhythm (het'-er-or-rithm) [erepoc, other; pvd- 

 poc, rhythm]. See Arrhythmic (Illus. Diet.). 



Heterosarcoses (het-er-o-sar'-ho-sez) [ere/xjc, other; 

 odp!-, flesh]. A general term for diseases character- 

 ized by the formation of heterologous tissue. 



Heteroscelous (het-er-os'-kel-us) [irspog, other; aiuAog, 

 a leg]. Having dissimilar or unsymmetric legs. 



Heteroscope (het'-er-o-shop) [irepot;, other; okottelv, 

 to examine]. An apparatus consisting of fusion-tubes 

 placed in a frame which supplies fixed points of rota- 

 tion, with scales showing their angular movement. It 

 is used for the accurate measurement of the various 

 angles at which a deviating eye in strabismus can see. 



Heterosexuality (liet-er-o-seks-u-al'-it-e). Perverted 

 sexual feeling toward one of the opposite sex. 



Heterostomy (het-er-os'-to-me) [trepoq, other; crdpa, 

 mouth]. Lack of symmetry in the two sides of the 

 mouth. 



Heterotelic (het-er-ot'-el-ik) [erepoc, other ; tWoc, end]. 

 Existing for or serving a foreign or external end. Cf. 

 Autotelic. 



Heterotonia (het-er-o-to f -ne-ah) [erepoc, other; tovoc, 

 tension]. Variable tension. 



Heterotrichous (het-er-ot'-rik-us) [erepoc, other; dpi!;, 

 hair]. Furnished with two kinds of cilia. 



Heterovalvate (het-er-o-val'-vat ) [erepoc, other; valva, 

 valve]. Having two kinds of valves. 



Heteroxeny (het-er-oks'-en-e) [erepoc, other; tfevog, a 

 guest]. The quality of living upon different hosts. Cf. 

 Heterecism. 



Hetocresol, Ylt,XoY\^%o\[het-o-kre' -sol ). See Cinnamyl 

 metacresol. 



Hetoform (het'-o-form). Bismuth cinnamate. 



Hetol (het'-ol). See Sodium Cinnamate. 



Hettocyrtosis (het-o- sir-to' -sis) [i/rrwv, less; nvpruotc, 

 a curvature]. A slight curvature of the spine. 



Heuristic (hu-ris'-tik) [evpioneiv, to discover]. Relat- 

 ing to experiments, inventions, or discoveries. 



Heveene (he'-ve-in) [hhive, South American name for 

 caoutchouc]. C I5 H. M . An amber-colored oil obtained 

 by fractional distillation of caoutchousin, isomeric with 

 ethylene. It has an acrid taste, boils at 315 C. Sp. 

 gr. 0.921 ; soluble in alcohol, ether, and oils. 



Hexahydrohematoporphyrin (heks-ah-hi-dro-hem-at-o- 

 por'-Ji-rin). A reduction-product of hematin. 



Hexamethylene (heks-ah-meth' -il-ln). C g H„. A naph- 

 thene present in Caucasian petroleum ; boils at 69 C. 

 H.-diamin, C S H I6 N 2 , a compound found by Garcia in 

 decomposing meat and pancreas mixture. H.-ros- 

 anilin, it is used in Causse's test for contamination of 

 drinking-water. Syn., Violet crystals; Jfexamethyl- 

 triainiclotriphcnylctirbinol. H.-tetramin. See For- 

 min. H.-tetramin-bromethylate. See Rromalin. 

 H.-tetramin-iodoform. See Iodoformin. H.- 

 tetramin-salicylate. See Salifoimin. H.-tetra- 

 min-tannin. See 7'ainnpin. 



Hey's Internal Derangement. See under Derange- 

 ment. 



Hiant (hi' -ant) [liiare, to open]. Yawning, gaping; 

 opening by a fissure. 



Hiatus. (See Illus. Diet.) H. Magendii, the fora- 

 men of Magendie. H. maxillaris, one on the inner 

 aspect of the nasal part of the superior maxilla estab- 

 lishing communication between the nose and the an- 

 trum of Highmore. Syn., H. supramaxillaris. H. 

 obturatorius, the obturator canal. H. cesophageus, 

 the opening for the esophagus in the diaphragm. H., 

 Scarpa's. 1. See under Scarpa (Illus. Diet.). 2. 

 Winslow's foramen. H. spinalis congenitus, spina 

 bifida. H. subarcuatus, a depression in the petrosa 

 lodging the flocculus. 



Hidradenitis, Hidroadenitis (hi-drad-en-i'-tis, hi-dro- 

 ad-en-i'-tis). See Hidrosadenitis (Illus. Diet.). H. 

 suppurativa, that marked by the formation of tumors 

 the size of a pea which tend to develop into abscesses. 



Hidradenoma (hi-drad-en-o'-mah) [iSpuc, perspira- 

 tion; adenoma']. Hyperplasia of an existing inflam- 

 matory tumor of a sweat-gland. 



Hidrodermia (hi-dro-dur'-me-ah) [Itipuc, sweat ; 6tppa r 

 skin]. Anomalies of sweat-secretion. 



Hidrosadenitis. (See Illus. Diet. ) H., Ulcerative, 

 a variety described by Bazin occurring as superficial 

 ulceration in circular or horseshoe-shaped areas attack- 

 ing the palmar or plantar surfaces ; it is prone to re- 

 lapse. 



Hidrose (hi'-dros) [idpuc, sweat]. Relating to sweat. 



Hieromania (hi-er-o-ma' -ne-ah) \iep6c, sacred ; pavia r 

 madness]. Religious frenzy. 



Highmoritis (hi-mor-i'-tis). Inflammation of the an- 

 trum of Highmore. 



Hiliferous (hi-lif'-ur-us) [hilum, a little thing; ferre r 

 to bear]. Furnished with a hilum. 



Himantion, Himantoma, Himantosis {hi-man' -te-on , 

 hi-man-to'-tnah, iii-man-to'-sis) \}paq, a leathern 

 thong]. See Staphyledema (Illus. Diet.). 



Himantoid (hi-man'-toid) [ip.de, a leathern thong; 

 eltioc, likeness]. Strap-shaped; shaped like a thong. 



Hind. (See Illus. Diet.) H. -kidney. See Metane- 

 phros (Illus. Diet.). 



Hip. (See Illus. Diet.) H., Pestilence. See Que- 

 biabunda. H. -shot, having the hip dislocated ; it is 

 applied to a gait like that of a duck. 



Hippasia {hip-a' -ze-ah) [t7r7racr/a, riding]. Horseback 

 exercise. 



Hippocratist (hip-ok' -rat-isl). A follower of the medi- 

 cal doctrines of Hippocrates. Cf. Galenist ; Heroph- 

 Hist ; Mesmerist. 



Hippomyxoma (hip-o-mihs-o / -mah) [Imroc, a horse; 

 pi^a, mucus]. The swelling attending farcy and 

 glanders. Syn., Hippocoiyzoma. 



Hircate (hw'-kat) [hircus, a he-goat]. A salt of hircic 

 acid. 



Hirschberg's Test. See under Strabismus. 



Hirudin (hir-u'-din) [hirudo, leech]. An albumose 

 with properties approaching those of a peptone con- 

 tained in leeches which prevents coagulation of blood. 



Hispiditas (his-pid'-it-as). See Distichiasis and Fhal- 

 angosis (Illus. Diet.). 



Histic (his'-tik) [inroc, a web]. Relating to tissue. 



Histidin (his'-tid-in). C 6 H H N H O a . A base present 

 among the hydrolytic products of casein, albumin, 

 blood-semm, and horn, and a constant cleavage-pro- 

 duct of the more complex plant and animal proteids. 



Histin (his' -tin) [inroc, a web]. Fibrin. 



Histiogenesis. See Histogenesis (Illus. Diet.). 



Histioma (his-ti-o'-mab) [iariov, a web]. A tissue 

 tumor, in which distinct tissues may be recognized, but 

 which do not arrange themselves to form organs. 

 [White.] 



Histoblast (his'-to-blast) \inr6c, tissue; ftlaoroc, a 

 germ]. A cell engaged in the formation of tissue. 



Histofluorescence (his-to-J/u-or-es'-enz). The admin- 



