IXDEXOMETER 



309 



IXFUXD1BULOOYARIAX 



(Illus. Diet.). I. of Refraction, the ratio of the sine 

 of the angle of incidence to the sine of the angle of 

 refraction when a ray of light passing from one medium 

 to another is refracted. I., Staphylinic i of cranium), 

 the posterior breadth multiplied by loo and divided 

 by the palatal length. I., Stephanozygomatic (of 

 cranium), the bistephanic breadth multiplied by ioo 

 and divided by the bizygomatic breadth. I., Tibio- 

 femoral, the length of the tibia multiplied by icoand 

 divided by the length of the femur. I., Total Facial, 

 the distance from the nasion to the gnathion multiplied 

 by i03and divided by the bizygomatic breadth. I., 

 Upper Facial (of Kollman), the distance from the 

 nasion to the prosthyon multiplied by 10 > and divided 

 by the bizygomatic breadth. I., Uranic (of the cra- 

 nium), the bialveolar breadth multiplied by ioo and 

 divided by the maxillary length. 



ldexometer (in-deks-om' '-el-ur) [index; (trrpov, 

 measure]. An instrument to determine the index of 

 refraction of liquids. 



idican. (See Illus. Diet.) I., Animal, I. of Urine. 

 See Acid, Indoxyl-sulfuric. 



idicator. (See Illus. Diet.) 3. A substance that 

 indicates chemic reaction by a color-change. 4. A 

 mechanism like the hand of a dial to register move- 



aents or processes. I. -ocular, an ocular for the 



licroscope in which a tine indicator, like a cilium, is 

 cemented to the ocular diaphragm and made to extend 

 about half across the opening. As the opening is at 

 the level of the real image, the indicator may be used 

 to point out anything in the image which the teacher 

 wishes to demonstrate. Syn., Pointer-ocular, Demon- 



tration-ocular. 



ligo. (See Illus. Diet.) I. Blue, Soluble. See 

 Acid, Indigosulfuric. 



idoxyluria {in-doks-il-u'-re-ah} [indoxyl; ovpov, 

 urine]. Excess of indoxyl in the urine, 

 lductogram \in-duk , -to-grani). See Skiagram. 

 lductometer (in-duk-tom' '-et-nr) [inducere, to lead 

 in ; iiETpov, measure]. An apparatus for estimating 

 the degree of electric induction. 



lductorium. (See Illus. Diet.) I., DuBois-Rey- 

 moni's, an induction apparatus with a primary and 

 secondary coil in which the primary current is never 

 opened, it being short-circuited. It is used in physio- 

 logic laboratories. 



idulinophil 1 in-dii-lin'-o-fil) [indulin; outlv, to love]. 

 Staining with indulin. 



ldumentum. (See Illus. Diet.) 2. The investing 

 membrane of an internal organ. I. cordis, pericar- 

 dium. I. nervi, neurilemma. I. nervorum, perineu- 

 rium. I. vitreum, enamel. 

 Induration. (See Illus. Diet.) I., Foliaceous, a 

 syphilitic chancre, of such delicate, leaf-like structure 

 as to be scarcely perceptible to the touch. Syn., /., 

 Parchment ; I., Papyraceous. I., Froriep's, myositis 

 fibrosa. I. of Lung, interstitial pneumonia. 

 Indurescent ( m-du-res'-enf) [indurescere, to become 

 hard]. Gradually becoming hardened, 

 lenulin (in-en / -u-lin). C m H 104 O lw . A crystalline 

 substance forming fine needles soluble in baryta-water, 

 obtained from Inula helenium, L. 

 lfantilism. (See Illus. Diet. ) I., Myxedematous, 

 a type characterized by chubby face, prominent lips 

 and abdomen, rudimentary genitals, high-pitched voice, 

 second dentition retarded or absent, and infantile mental 

 state; due to thyroid insufficiency. I., Lorain's 



Type, is represented by an individual small in stature 

 but of the adult type, with pubic and axillary hair want- 

 ing, and with fair intelligence; due to defective nutri- 

 tion, 

 ifarctus. (See Illus. Diet.) 2. Employed by Kaempf 



to designate mucous colitis. I., Doctrine of, Kampfs, 

 that which held disease to be due to impacted feces, 

 thought to originate in the humors of the body, portal 

 vesseis, and intestines; two kinds were recognized, 

 the black bilious and the mucous. " From this theory 

 a widespread clvster fashion developed, and lords and 

 ladies vied with each other in belaboring their infarcti 

 and in administering enemas." [Park.] 



Infection. (See Illus. Diet.) 2. A term used by 

 breeders of domestic animals as a synonym of telegony 

 (</. v.). Cf. Reversion, Throwback. I., Auto-, I., 

 Self-. See Autoinfection. 



Inferocostal iin-fer-o-kos / -tal) [inferus, low ; costa, a 

 rib]. Relating to the lower border of a rib or the 

 region beneath it. 



Inferofrontal (in-fer-o-frunt'-al) [inferus, lower; 

 pons, the forehead]. Relating to the inferior part of 

 the frontal lobe. 



Infiltration. (See Illus. Diet.) 2. An infiltrate. I., 

 Albuminous, I., Albuminoid, I.. Amyloid. See 

 under Defeneration, Amyloid (Illus. Diet. ). I.- 

 anesthesia. See under Anesthesia. I., Bacon-like. 

 See Degeneration, Amyloid (Illus. Diet.). I., Cir- 

 cumferential, in surgery cutting off die area of opera- 

 tion from all nerve communication with surrounding 

 parts by a wall of anesthetizing edema. I., Glyco- 

 genic, a deposit of glycogen in cells. I., Inflam- 

 matory, the deposition of inflammatory products in the 

 tissues. I., Lardaceous. See Degeneration, Amyl- 

 oid (Illus. Diet). I., Purulent, the presence of scat- 

 tered pus-cells in a tissue. Syn., Diffuse abscess. I., 

 Regional. See Anesthesia, Regional. I., Saline, 

 calcareous degeneration. I., Serous, edema. I., 

 Uratic. See Degeneration, L'ratic. I., Urinary, I., 

 Urinous, infiltration with effusion of urine into a tis- 

 sue. I., Waxy, amyloid degeneration. 



Inflammation. (See Illus. Diet.) I., Bcerhaave's 

 Mechanical Theory of, that inflammation was due 

 to obstruction of the capillaries. I., Fabre's Theory 

 of, that it proceeds not from the obstruction of the 

 capillaries as held by Boerhaave, but from an exalta- 

 tion of their irritability. 



Influenzin 1 in-flu-en'-zin). A proprietary remedy said 

 to be a mixture of phenacetin. caffein, quinin salicylate, 

 and sodium chlorid, used in influenza. 



Infraconscious (in-fra-kon'-shus) [infra, below ; con- 

 ;iu;, aware of]. Subconscious. 



Inftagenual (in-fra-Jen'-u-al) [infra, below ; genu, the 

 knee]. Subpatellar. 



Infraglenoid [in-fra-glen'-oid) [infra, below ; y/i/ifl, 

 cavity ; firfoc, likeness]. Located below the glenoid 

 cavity. 



Infraglottic (in-fra-glot f -ik) [infra, below; j/.uttic, 

 glottis]. Below the glottis. 



Infrainguinal (it*-/ra-ut / -gwm-af) [infra, below; 

 inguen, groin]. Below the inguinal region. 



Infralemnisc [in-fra-lem' -ttisk) [infra, below ; lemnis- 

 cus, a pendent ribbon]. Wilder' s term for the lower 

 lamina of the lemniscus. 



Inframarginal {in-fa-mar'-jin-al) [infra, below; 

 margo, a margin]. See Submarginal (Illus. Diet.). 



Infraoccipital {in-fa-ok-sip / -et-al). See Suboccipital 

 (Illus. Diet.). 



Infrastapedial {in-frasta-pe'-de-ol") [infra, below; 

 stapes, a stirrup]. Below the stapes. 



Infratonsillar \in-fra-ton'-sil-ar\ [infra, below; ton- 

 silla, the tonsil]. Below the tonsil. 



Infratrochlear {in-fra-trok'-le-ar). See Subtrochlear 

 (Illus. Diet.). 



Infundibuloovarian (in-fun-dib-ii-lo-o-ra'-re-an) [in- 

 fundibuhim, a funnel ; ovarium, ovary]. Relating to 

 the oviduct and to the ovary. 



