ERECTOPATENT 



438 



ERODENT 



return circulation. E. -center. See Center. E., 

 Persistent. Synonym of Priapism, q. v. 



Erectopatent (e-rek-to-pa' '-tent) [erectus, erect; patens, 

 spreading]. In biology, intermediate between erect 

 and spreading, as the fore- wings of a butterfly in 

 repose. 



Erector (e-rek'-tor) \erigere, to erect]. Any muscle, 

 the function of which it is to erect or elevate a part. 

 See Muscles, Table of. E. pili, the unstriped mus- 

 cular fibers causing the erection of the hair and the 

 phenomenon called goose-flesh or goose-skin. 



Eremacausis (er-em-ak-aw' '-sis) [i/pefia, slowly ; nav- 

 cic, burning]. Slow oxidation or gradual decay, 

 without combustion. 



Eremoblast (er-e f -mo-blasf) [kpf/fioc, solitary ; (i/uiarog, 

 a germ, sprout] . A unicellular plant. 



Eremophobia ( er-em-o-fo' -be-ah ) \_tpi]uoq, desolate ; 

 (j>6:3oc, fear]. The same as Agoraphobia, q. v. 



Erethin (er'-e-lhin) [kpedii-Eiv, to irritate]. The name 

 given by Klebs to that constituent of tuberculin which 

 occasions fever. 



Erethism (er'-e-thiz/n), Erethismus (er-e-thiz' -mus) 

 [epsdiofioc, irritation]. An abnormal heightening of 

 nervous irritability. E. ebriosorum. Synonym of 

 Delirium tremens. E. hydrophobia. Synonym of 

 Hydrophobia. E. tropicus. See Insolation. 



Erethismal (er-e-thiz' -mal) [ipedio/ioc, irritation]. Of 

 the nature of an erethism. 



Erethismic (er-e-thiz' -mik), or Erethistic (er-e-this' '-tik) 

 [hpetiLafioq, irritation]. Relating to, or affected with, 

 erethism. 



Erg [Zpyov, work]. See Electric Units. 



Ergasiomania (ur-gas-e-o-ma'-ne-ah) [epyaaia, work ; 

 fiavia, madness]. Mania for performing operations. 



Ergasiophobia (ur-gas-e-o-fo' -be-ah) [epyaaia, work ; 

 oo/3oc, fear]. Timidity in operating. A dread of 

 operations. 



Ergogenesis (ur-go-jen' '-es-is) \fpyov, work ; ytveaiq, 

 production]. Same as Ergogeny. 



Ergogenetic (ur-go-gen-ef -ik) \lpyov, work ; yeveaiq, 

 production]. Of the nature of, or pertaining to, er- 

 gogeny. 



Ergogeny (ur-goj'-en-e) \fpyov, work ; ytveaic, produc- 

 tion]. In biology, the energy, both potential and 

 kinetic, involved in the adaptive processes of living 

 organisms ; it includes both kinetogenv and statogeny 

 (Ryder). 



Ergograph (ur' -go-graf) \lpyov, work ; ypd<j>eiv, to 

 write]. A recording ergometer. An instrument for 

 recording the extent of movement produced by a con- 

 tracting muscle, or the amount of work it is capable 

 of doing. 



Ergometer (ur-gom' '-et-er) [epyov, work ; fikrpov, meas- 

 ure]. A variety of dynamometer. 



Ergostat (ur' -go-stat) [ipyov, work; laravai, to stand]. 

 An apparatus for testing muscular strength. 



Ergot, or Ergota (ur'-got, or ur-go'-tah) [Fr. , ergot, a 

 spur: gen., Ergot<z~]. I. In farriery, the horny stub 

 below the pastern joint, hidden by the fetlock of the 

 horse. 2. The hippocampus minor. 3. A fungus, 

 Claviceps purpurea, parasitic upon rye. It contains 

 sphacelinic acid, ergotinic acid, and cornutin, to which 

 its properties are due. It is a powerful excito-motor, 

 hemostatic, and gastro-intestinal irritant, but is used 

 most frequently to promote uterine contraction in 

 childbirth. It is valuable internally in amenorrhea 

 and atonic spermatorrhea ; topically in gonorrhea, 

 conjunctivitis and inflammations of mucous mem- 

 branes. Its effects are most prompt by hypo- 

 dermatic injection. Dose gr. X-Zj. E., Ext., Fid., 

 prepared with dilute hydrochloric acid, alcohol, and 

 water. Dose ^ss-ij. E., Ext., Liquid (B. P.). 



DoseTTLx-xxx. E., Ext., — Ergotin. Dose gr. ij-xx, 

 hypodermatically gr. %-v. E., Infus. (B. P.). Dose 

 § j-ij. Injectio Ergotina? Hypodermica (B. P.), 

 ergotin I, camphor-water, 2. Dose subcutantously 

 TT^iij-x. E., Tinctura (B. P.). Dose tT^x-^j. E., 

 Vinum, 15 per cent. Dose gj-^j- Sclerotinic 

 Acid, thought to be identical with ergotinic acid. 



Ergotin (ur' -go-tin) [Fr. , ergot, a. spur]. I. A precip- 

 itate or extract prepared from the tincture of Secule 

 cereale ; it is an emmenagogue, and parturient. Dose 

 tV *° i g ram > repeated as may be needed. Unof. 

 The name is applied in commerce to many different 

 preparations of ergot ; often to the extractum ergota, 

 U. S. P. 2. C 50 H 52 N 2 O-. An amorphous, brown 

 alkaloid found in ergot. It is probably the same as 

 ecbolin. 



Ergotinin (ur-gof '-in-in) [Fr., ergot, a spur], C^H^- 

 N 4 O g . An alkaloid from ergot of rye, occurring in 

 white needles ; it is effective in hemorrhage, in erysip- 

 elas, and in certain brain-affections. For hypoder- 

 matic injection, -fa to y 1 ^ gr. is used, dissolved in lactic 

 acid and water. 



Ergotism (ur' '-got-izm) [Fr. , ergot, a spur] . The con- 

 stitutional effects of overdoses of ergot or of the per- 

 sistent use of food containing ergot. These are mani- 

 fested by severe cramps, chiefly in the muscles of the 

 leg, ending in tonic contraction of these muscles — the 

 spasmodic form ; and secondly by gangrene of the ex- 

 tremities — the gangrenous form. The symptoms may 

 be acute or chronic. See Pellagra. 



Ergotol (ur' '-got-ol) [Fr. , ergot, a spur]. A proprietary 

 liquid preparation of ergot, recommended for hypo- 

 dermatic injection. 



Ergten (erg' -ten) [Ipyov, work]. See Electric Units. 



Erianthous (er-e-an' '-thus) [eptov, wool ; avdog, flower]. 

 In biology, woolly-flowered. 



Erichsen's Disease. See Diseases, Eponymic Table of. 

 E. Operation. See Operations, Table of. 



Ericolin (er-ik'-o-lin) \kpiiK-q, heath], C 34 H 56 0.,,. A 

 substance found in Uva ursi. It is an amorphous, 

 yellowish glucosid with a bitter taste, yielding with 

 diluted acids sugar and an essential oil — ursonc. 



Erigeron (er-ij'-er-on) [r/piyepuv, groundsel: gen., 

 Erigerontis~\. Fleabane. The plant E. cana, 

 having physiologic actions like those of oil of turpen- 

 tine, but less irritant. It is efficient as a hemostatic in 

 menorrhagia. E. bellidifolium and E. philadel- 

 phicum afford similar oils, and have the same proper- 

 ties. E., Ol., the essential volatile oil of erigeron. 

 Dose TT^ x- 3 ss. Unof. 



Eringo (er-ing'-o). See Eryngo. 



Eriodictyon (er-e-o-dik'-te-on) [epiov, wool; Sin 

 a net]. Yerba Santa or Mountain - balm. The 

 leaves of E. glutinosum, a shrub of California, an 

 excellent expectorant, and valuable as an excipient 

 for quinin, the taste of which it largely conceals. It 

 is useful in bronchial affections. E., Ext. Fid. 

 Dose n\xv-:5J. E., Ext. Dose gr. ij-x. E. 

 tomentosum and E. angustifolium have the same 

 uses. The latter are unofficial. 



Eriophorous (er-e-off'-or-us) \jtpiov, wool ; <j>ep< 

 bear]. In biology, wool-bearing. 



Eriophyllous (er-e-off ' -il-us) \ipiov, wool ; or/ Air, a 

 leaf]. In biology, woolly-leaved. 



Erlangen Blue. Same as Berlin Blue. 



Erlau Green. Same as Bremen Green. 



Erlicki's Fluid. A hardening-fluid used especially for 

 tissues of the central nervous system. It consists ol 

 potassium bichromate, 2.5 parts; cupric sulphati 

 parts ; water, 100 parts. 



Erodent (e-ro'-dent ) \_e, out ; rodere, to gnaw] . 1 . t an- 

 tic; causing erosion. 2. A caustic application or agent 



