INDOGEN 



610 



INFANTILISM 



In biology, the total result of the development of a 

 single ovum. I. Prepotency. See Prepotency. 



Indogen {in' -do-fen). Same as Uroxanthin. 



Indoin {in' -do-in) [indicum, indigo]. A blue substance 

 produced from propiolic acid on adding metallic iron, 

 zinc, or copper. 



Indol {in' -dot) [indicum, indigo], C 8 H 7 N. A product 

 of intestinal putrefaction, and occurring in the feces, to 

 which, with skatol, it imparts the unpleasant odor. It 

 is also formed when proteids are heated with alkalies, 

 or by superheating with water to 200 C. It is a crys- 

 talline body melting, when pure, at 53 C. It is solu- 

 ble in boiling water, alcohol, and ether. 



Indolemia {in-do-le' -me-ah) [\v86c, Indian ; Xotfiog, 

 pestilence]. Asiatic cholera. 



Indolent {in' -do-lent) [in, not; dolere, to feel pain]. 

 Sluggish. Without pain ; applied to ulcers, tumors, 

 etc. 



Indophenin {in-do-fe' -nin) [indicum, indigo ; phenyl], 

 C 13 H 7 NOS. A bluish compound formed by the ac- 

 tion of a solution of isatin, I part to 30 parts of H 2 S0 4 , 

 on benzene. 



Indophenol {in-do-fe' '-no/), [indicum, indigo ; phenyl]. 

 Same as Naphthol-blue. I. -blue. See Pigments, 

 Conspectus of. 



Indosynclonus {in-do-sin' -klo-nus) \lvd6c, Indian ; 

 Gvyiikcivelv, to dash together]. Same as Beriberi. 



Indoxyl {in-doks'-il) [Ivdindv, indigo; b!-vc, sharp], 

 C g H 7 NO. A substance isomeric with oxindol. It re- 

 sults on the elimination of carbon dioxid from indoxylic 

 acid. It is an oil, not volatile in aqueous vapor, 

 readily soluble in water, showing yellow fluor- 

 escence. 



Indoxylic Acid (in-doks-il'-ik). See Acid. 



Induced {in-dusd') [inducere. to lead into]. Made 

 or produced by the agency of any means. I. Cur- 

 rent. See Current. 



Induction {in-duk' -shun) \_inductio ; inducere, to lead 

 in]. The establishment of an abstract law or pro- 

 position drawn from specific or particular facts. 

 I. -balance, in physics, an instrument used for the 

 detection of currents too weak to affect the galvano- 

 meter. I. -current. See Current. I., Faradic. 

 See Faradic. I. of Labor, the bringing on of labor 

 by artificial means. I. -coil. See Coil. 



Inductorium {in-duk- to' '-re-urn) [L., a covering]. A 

 magneto-induction apparatus for physiologic purposes. 



Indulin-blue. Same as Coupler's Blue. 



Indulins {in'-du-linz) [ivdiKov, indigo ; v/\n, matter]. 

 Members of the safranin class of dye-stuffs. They 

 are violet-blue to gray-blue in color, and are formed 

 upon heating various azo-azobenzenes and amido-azo- 

 benzenes with anilin hydrochlorids. They are also 

 called nigrosins. They are used to impart a blue color 

 to wool, cotton, and silk. See Pigments, Conspectus 

 of. 



Indumentum {in-du-men' -turn) [induere, to put on 

 (clothes)]. In biology, the plumage of a bird or the 

 pubescence of a plant. 



Induplicate {in-du' -plik-dt) [in, in, on; duplicare, to 

 double]. In biology, applied to leaves, petals, or 

 sepals while in the bud, which have their edges bent 

 or rolled inward. 



Indurascent {in-du-ras' -ent) [in, in ; durare, to 

 harden]. In biology, gradually hardening. 



Indurated (in'-du-ra-ted) [indurare, to harden]. 

 Hardened. I. Bubo, a hard inflammation of the lym- 

 phatic glands, usually of syphilitic origin. 



Induratio {in-du-ra' -she-o) [L.]. Induration. I. t else 

 cellulosae. See Sclerema neonatorum. 



Induration {in-du-ra' -shun) [induratio, an induration]. 

 The hardening of a tissue without alteration of struc- 



ture ; a hardened mass or lump. I., Black. See/., 

 Gray. I.,vBrown, a hardening of lung-tissue, with 

 deposition of pigmentary matter. I. of Chancre, 

 a hard nodule, or a cup-like ring, about the margin of a 

 chancre or syphilitic ulcer. I., Fibroid. See /. , Grav, 

 and Cirrhosis. I., Granular. See Cirrhosis. I., 

 Gray, the appearance of the lung in chronic pneu- 

 monia, the cut-surface of the lung being smooth, 

 glistening, gray, and dense. It is also called black ox 

 fibroid induration. I., Red, a firm, resistant, red- 

 dened condition of the lung in chronic pneumonia. 



Indusiate {in-du' -ze-dt) [induere, to put on]. In bi- 

 ology, having an indusium. 



Indusium {in-du' -ze-um) [induere, to put on : //., In- 

 dusia~\. 1. In biology : [a) that portion of the epider- 

 mis of a fern-frond that covers the fruit-dots or sori; 

 (b) the case or covering of an insect larva. 2. The 

 vestigial layer of the cerebral cortex existing with 

 greater or less distinctness upon the dorsal surface of 

 the callosum ; it is also seen in many other mammals 

 beside man. It is called also Indusium griseum. 



Induviae {in-du' -ve-e). [L. : pi. Clothes]. In biology, 

 persistent withered leaves. 



Induviate {in-du' -ve-dt) [induvicB, clothes]. In biology, 

 clothed with old or withered parts. 



Inebriant {in-e'-bre-ant)[inebrians ; inebriare, to make 

 drunk]. 1. Intoxicant; causing inebriation. 2. An 

 agent or drug that causes inebriation. 



Inebriation {ine bre-a'-sht/n) [inebriatio ; inebriare, 

 to make drunk]. The condition of drunkenness. 



Inebriety {in-e-bri' '-et-e) [inebrietas, drunkenness]. In- 

 ebriation ; especially habitual drunkenness. 



Inedia {in-e'-de-ah) [in, not; edere, to eat]. Synonym 

 of Pasting. 



Ihein (in'-e-in). A crystalline substance obtained from 

 the hairs of the seeds of Strophantlius. 



Inenucleable {in-e-nu' -kle-a-bl) [in, not ; enucleate, 

 to shell out]. Not removable by enucleation. 



Inequivalve {in-e-kwi' -valv) [in, not ; equus, equal ; 

 valva, the leaf of a door]. In biology, applied to 

 shells having unequal valves. 



Inerm {in-erm') [in, without ; arma, arms]. In biol- 

 ogy, without hooks, thorns, or prickles ; unarmed. 



Inertia {in-er'-she-ah) [iners, inactive, unskilled ; in, 

 not; ars, skill]. Sluggishness. In physics, the ina- 

 bility of matter to change its condition except by 

 means of an external force. In physiology, inactivity 

 of any organ or function of the body. I. of Drugs, 

 lack of power, from inferior quality, to produce cos- 

 tomary physiologic reactions. I., Intestinal, torpor 

 of intestinal action, or peristalsis. I., Time. 

 Time. I., Uterine, the failure or sluggishm 

 uterine contractions in labor. 



In extremis {in eks-tre'-mis) [in, in ; extremis, last]. 

 A Latin phrase, meaning at the end ; at the point of 

 death or in extreme danger of speedy death. 



Infancy {in'-fan-se) [infans, a little child]. Early 

 childhood. I., Diseases of, those to which infants 

 are peculiarly liable. 



Infant (in'-fant) [infans, a little child]. A babe. Accord- 

 ing to English law, one not having attained the a. 

 twenty-one. I., Overlaying of, suffocation of an j 

 infant by the lying upon it of an adult in sleep 

 I. -shelter, a day-nursery where the infant-children 

 of working mothers are kept at a moderate expense 

 during the hours of labor. In France, a criche. 



Infanticide {in-fant'-is-td) [infans, a little child ; 

 ceuUre, to kill]. The murder of an infant. 



Infantile {in' -fan-til) [infant His, of an infant]. I'" 

 taining to infancy. I. Paralysis. Sec Paralysit, 



Infantilism (in-fan' -tilizm) [infans, a little child] 

 The persistence of the characters of childhood into 



