EURODONTIA 



254 



EXERCISE 



Eurodontia [ti-ro-don f -she-ah) \tvpLq, decay ; bfiovg, a 

 tooth]. Dental caries. 



Euromesocephalus (u-ro-mez-o-sef '-al-us) [evp'vc, 

 broad; /jeooc, the middle; Ktipa/Jj, the head]. Having 

 a long bitemporal diameter. 



Europisocephalus [u-ro-pis-o-sef -al-us) [ebpvc, broad ; 

 b-iou, behind ; KE&a/.fj, the head]. Having the skull 

 broad in the occipital region. 



Europium i y u-ro'-pe-u»i). The provisional name given 

 by Fug. Demarcay to a supposed new element. The 

 atomic weight is 15 1, approximately, and it lies mid- 

 way between gadolinum and samarium. 



Europrocephalus {u-ro-pro-sef / -al-tis) [evpir, broad ; 

 ~po, in front ; nepa?.?/, the head]. Having a skull 

 broad in front. 



Eurybin («' -re-bin) \_Eurybia, mother of the Titan 

 Astneus]. A yellowish, bitter, amorphous powder, 

 soluble in water and alcohol, obtained from Olearia 

 moschata, Hook. 



Eurygenesis (u-re-jen'-e-sis) [evpic, broad; ^evvav, to 

 produce]. The origin of man by the amelioration of 

 species precursors. 



Eurygnathism (u-re-nath'-izm). The condition of 

 having large jaws. 



Eurygnathus, Eurygnathous (u-re-nath'-us) \_ei<pvr f 

 broad; yvdttoc, jaw]. Large-jawed. 



Eurynter (u-rint'-ur) \_zvpvvuv, to make broad]. An 

 instrument used in dilating. Cf. Colpeurynte> . 



Euryon [u'-re-on) [ebpvq, broad]. The craniometric 

 point at the end of the greatest transverse diameter of 

 the skull. 



Eurysma {it-riz' '-mah) [evpbveiv, to dilate]. I. Dila- 

 tion. 2. A structure which has undergone dilation. 



Eurythrol {u-rith'-rol). An extract from the spleen of 

 oxen, having a honey-like consistency and an aromatic 

 taste and odor. Dose, 1 to 2 teaspoonfuls in soup daily. 



Eusemia (u-se'-we ah) [ev, well; af/fia, a sign]. A 

 favorable sign or prognostic. 



Eustachitis {u-sta-ki'-tis). Inflammation of the eusta- 

 chian tube. 



Eustachium {u-sta'-ke-um). The eustachian tube. 



Eutectic (u-tek'-tik) [er, well ; tIkteiv, to produce]. 

 1. Well combined, stable ; applied to a chemic combi- 

 nation which in passing from a liquid to a solid state 

 acts as a simple body, maintaining a constant tempera- 

 ture and its constituent substances remaining associated 

 during solidification. 2. [ev, well ; rijKeiv, to melt.] 

 Melting easily ; said of a compound substance which 

 has a lower fusing-point than its constituents have 

 separately. 3. A eutectic substance. 



Eutexia {u-teks' -e-ah). 1. The condition of being 

 stable and well combined. 2. The quality of fusing at 

 a low temperature. 



Euthermic (u-thurm'-ik) [ev, well; Oipurf, heat]. 

 Promoting warmth. 



Euthymol [u-thi'-mol). A nontoxic liquid antiseptic 

 said to contain oils of eucalyptus and wintergreen, ex- 

 tract of wild indigo, boric acid, menthol, and thymol. 

 It is used as a spray or internally in doses of 1 fld. 

 dram (4 c c. ) in water three or more times daily. 



Eutocous {u-tok'-us) [ev, well; tokoc, childbirth]. I. 

 Having an easy delivery. 2. Prolific. 



Eutrichosis (u-trile-o / -sis) [ev, well ; dpt$ t hair]. A 

 healthy, normal development of the hair. 



Euxanthate [ji-zan'-that). A salt of euxanthic acid. 



Euxanthone {u-zan'-thon). C,.,H K () 4 . A substance 

 obtained from euxanthin by heat or by action of sulfuric 

 acid, occurring as pale yellow needles or scales soluble 

 in hot alcohol, other, or alkalis, melting at 232 C. 



Evacuator (c-vah'-u-a-tor) [evacuare, to empty]. An 

 apparatus fitted to a catheter for washing out crushed 

 calculi in lithotrity. 



Evagination {e-vaj-in-a f -shan) [ex, out of; vagina, a 

 sheath]. Protrusion from a sheath or invaginating 

 structure. French, evagination. Cf. Invagination. 



Evalvate [e-val '' -vat) . Destitute of valves ; evalvular. 



Evaporometer {e-vap-or-ovi' '-et-nr) \evaporare, to evap- 

 orate ; fihrpov, measure]. An apparatus for the study 

 of the evaporation from cultivated plants and soils 

 under the influence of different conditions of meteor- 

 ology, soil, and culture. 



Evenimation, Evenomation {e-vene-ma'-shun, -0- 

 ma'-shun) [e, from; venoni\. The process of counter- 

 z acting the effects of a venom. 



Evidement (a-ved-mon (g)) [Fr.]. Splitting open the 

 foci of disease and scraping them clean with the sharp 

 curet. 



Evil. (See Illus. Diet.) E., Aleppo. See under Aleppo 

 (Illus. Diet.). E., Fox, alopecia. E., King's, 

 scrofula. 



Evittate (e-Tt'l'-at) [<?, out of ; vi/ta, a band]. Desti- 

 tute of bands or stripes. 



Evolution. (See Illus. Diet.) E., Threefold Law 

 of (Huxley) : ( 1 ) Excess of development of some 

 parts in relation to others. (2) Complete or partial 

 suppression of parts. (3) Coalescence of parts usu- 

 ally distinct. 



Exanthem. (See Illus. Diet.) E., Forchheimer's, a 

 maculopapular, rose-red eruption on the soft palate 

 and uvula regarded by Forchheimer as characteristic of 

 rubeola in the absence of any cutaneous eruption. E., 

 Manning's, septicemic exanthem, a grave complica- 

 tion of scarlatina and diphtheria. 



Exanthropes {eksanf-thro-piz) [k^, out of; avdpuTzoc, 

 man]. Sources of disease originating externally. 



Exanthropic (cks-an' '-tlirop-ik). Situated external to 

 the human body; relating to exanthropes. Syn., 

 Kxtra-anthropic . 



Exasperate (eks-as'-pnr-St) [exaspcrare, to make 

 rough]. Rough, covered with sharp points. 



Excitoglandular {ek-si-to-gland ' -u-lar). Arousing or 

 exciting the glandular function. 



Excitometabolic (ek-si-to-met-ah-bol f -ik). Exciting 

 metabolic processes. 



Excitomuscular (ek-si-to-viHs' '-kn-lar). Exciting mus- 

 cular activity. 



Excitor. (See Illus. Diet.) 2. A discharger. 3. An 

 electrode which, placed in contact with a nerve, causes 

 excitation. 



Excortication (eks-kor-te ka' -shun). See Decortication 

 (Illus. Diet.). 



Excursion (eks-ku^-shun) [ex, out ; currere, to run]. 

 The extent of movement, as of the eyes from a central 

 position. 



Excurvation. (See Illus. Diet.) 2. Outward curva- 

 ture. 



Exdermoptosis {eks-durm-o-to f -sis) \}z, out of; dipfia, 

 the skin; ;rrw<nc, a falling]. Hypertrophy of the 

 sebaceous glands with retention of the secretion. 



Exercise. (See Illus. Diet. ) E., Cumulative, that which 

 is increased from day to day. E., Double Concentric, 

 a variety of gymnastics in which movements of the 

 patient are combated by the assistant. E., Double Ex- 

 centric, a form of gymnastics in which movements of 

 the assistant are combated by the patient. E., Thumb, 

 a method of increasing adduction power in cases of low 

 degree exophoria. It consists in the patient holding 

 the thumb at arm's length on a level with tin eyes and 

 gazing fixedly at the nail while the thumb is brought 

 accurately between the eyes as closely as possible with- 

 out any failure of the eyes to converge. The instant 

 divergence or diplopia is detected, withdraw the hand 

 again to arm's length and thus continue these rhythmic 

 exercises for several minutes, several times a day. 



