K< II I. V (PLACID 



•107 



I I PIIY.MA 



Echinoplacid (e-ki-no-plrs'-id) [ a sea-urchin ; 



tt'/ii-, a plate]. In biology, applied to echinoderms 

 having spines on the madreporic plate. 



Echinorhyncus (e-ki-no-rin' -kus) \_i.\n<" , hedgeh 

 /■i i •» , beak]. A worm parasitic within certain ani- 

 mals and occasionally found in man. E. gigas i- 

 the best-known species. E. hominis is smaller, and 

 i> perhaps an immature form of the other. See Para- 

 sties I Animal), Table of. 



Echinulate (e-kin'-u-ldt) [ecAinulus, dim. of echinus, a 

 hedgehog]. In biology, beset with prickles of small 

 size. 



Echitamin [e-kti'-am-in), ( '.,.,1 1..V ( •,. Anamorphous 

 alkaloid of Dita, with a paralyzing power comparable 

 to that of curare. It is also called Ditain. 



Echitenin {e-kW -en-in i, C.,,,1 !._.- X< >,. An amorphous, 

 brown alkaloid of Dita, soluble in alcohol and water. 



Echlorophyllose [e-klo-ro-fiV -os) [f, priv.; \/> 

 yellowish-green; tpb/iXov, a leaf]. In biology, desti- 

 tute of chlorophyl. 



Echma [ek'-mah) [■!,""• a stoppage : pi., Echmata~\. 

 A stoppage or obstruction. 



Echmasis [ek'-mas-is) [/ 1""- ; " . l " hinder: pi., Ech- 

 mases~\. An obstruction or an obstructive disease. 



Echmatic [ek-maf-ik) \_i\\inum , to hinder]. Due to or 

 marked by an echmasis or an echma. 



Echo (e&f-o) ['/A'^N a sound]. A reverberated sound. 

 E.-sign, a symptom of epilepsy and other brain- 

 conditions in which there is a repetition of the closing 

 wonl or words of a sentence. It is regarded as the 

 result of perverted will, or impaired or defective inhi- 

 bition. E. -speech, a peculiar method of utterance in 

 one type of hypnotism. 



Echokinesia, Echokinesis [ek-o-kin-e , -ze-ah,ox-e , -sis) 

 \_iiX<l>, echo ; nivr/aic, motion]. Imitative unwilled ac- 

 tion, like that observed in palmus or latah. See Pal- 

 mus and Habit-spasm. 



Echolalia (ek-o-la'-le-ah) [//jw, echo ; /.a/.tn, talk]. An 

 aphasic symptom consisting in a repetition of words 

 spoken to the patient by others. 



Echometer [ek-om' '-et-er) \_iix<->, sound ; jierpov, a meas- 

 ure]. A stethoscope. 



Echopathy {ek-op r -ath-e) [jyjw, echo ; nadog, disease]. 

 Any automatic and purposeless repetition of a word 

 or sound heard or of an act seen. 



Echophotony [ek-o-fof '-o-ne) [_>'/yu, echo ; fag, light ; 

 t&voc, tone]. The production of the sensation of color 

 by the stimulus of aerial waves, or sound. See Phon- 

 ism, Photism. 



Echophrasia (ek-o-fi-a'-ze-ali) [^jw, echo; opaciq, 

 speech]. Same as Echolalia. 



Echos (e / -kos) [^X oc > sound]. Any subjective sensa- 

 tion, as of a sound that has no objective cause. 



Echoscope irk'-o-skop) [//^w, sound ; oicoireiv, to ex- 

 amine]. A stethoscope. 



Echuja (ck'-u-jaJi). An apocynaceous plant, Adenium 

 bcehmianum, of Africa. It is extremely poisonous. 



Echujin, Echugin (ck'-n-jin). A poisonous glucosid 

 from the plant called Echuja ; it has much the same 

 effects as strophanthin. 



Eciomania [ek-e-o-maf -ne-aK). See Oikiomania. 



Ecker's Angle. See Angle. E. Fissure. See Fis- 

 sure. 



Eclampsia {ek-lamp* '-se-ah) [tK?dinreir. to shine or 

 burst forth ; from the suddenness of the attack]. I. 

 A sensation as of a light flashing before the eyes. 

 [Obsolete]. 2. Any epileptiform seizure, espe- 

 pecially one in which consciousness is not lost 3. 

 Puerperal convulsion. A convulsive or epileptiform 

 seizure suddenly coming on in a woman prior to or 

 during labor, or in the puerperal state. The convul- 

 sions are first tonic and then clonic, and finally affect 



the involuntary muscles as well as the voluntary ; 

 consciousness is lo.^t, and the attack is followed bj 

 coma or sleep. The etiology is obscure, the attack 

 generally repeated, the prognosis grave. The term 

 eclampsia is also used a^ a general designation for 

 convulsions, and besides the puerperal form described 

 there are the infantile and uremic types. See Convul- 

 sions. E. nutans, the nodding spasm or salaam a n 

 vulsion of young 1 hildren In tl tion the head 



and upper part of the body are bowed forward several 

 times in succession. The attacks tend to occur in 

 paroxysms, during which the child suffers temporarily 

 from disordered consciousness. 

 Eclampsic [ek-lamp / -sik). amptie. 



Eclamptic {ek-lamp* -tik\ [enXa/iireiv, to shine or burst 

 forth]. Relating to, affected with, or of the nature of, 

 eclampsia. 

 Eclectic {ek-lek' -tilt) \iK/\eKTUc6aig, selection]. Pertain- 

 ing to a choosing or selection. Applied by a certain 

 school of physicians to themselves, to denote their 

 principle or plan of selecting or choosing that which 

 is good from all other schools. 

 Eclecticism [ek-lek* '-tis-izm) \iKkeKTut60tg, selection]. 



The doctrine and practice of the Eclectics. 

 Eclegm [ek'-lem\ \j K/nyfia, an electuary]. An elect- 

 uary. 

 Eclegma, or Ecleigma [ek-leg / -maA, ek-hg , -mah\ [«, 

 out; ?.eixew, to lick: //., Eclegmata\. An elec- 

 tuary. 

 Eclimia [ek-lim'-e-ak) [tuTu/ila]. Same as Bulimia. 

 Eclipsis (ck-lip'-sis) [kiutettytg, a dying out]. A sudden 

 failure ; trance ; catalepsy ; a sudden and transient loss 

 or impairment of consciousness. 

 Eclysis (ck'-lis-is) \jEKkvoig, a release, a loosening]. Any- 

 loosening, as of the bowels. Also a slight amount of, 

 or merely a tendency to, syncope. It is present in 

 anemia of the brain. 

 Ecmnesia (ek-mne / -ze-aA) [en, out; uvi'rsic, memory]. 

 The dropping out of the memory of the events of a 

 certain portion of time. 

 Ecnea (ek-ne'-ah) [in, out ; vovg, mind]. Insanity. 

 Ecoid (e / -koid) [ol/coc, house]. A blood-shadow ; the 

 colorless stroma or framework of red coquiscles of the 

 blood that have been deprived of their hemoglobin ; a 

 shadow-corpuscle. 

 Economy (e-ko/i'-o-me) [oIkoc, house ; vdfiog, a law]. 

 A general name for the human being considered as a 

 whole. 

 Ecorticate [e-kor' '-tik-dt) [e, priv. ; cortex, bark]. In 



biology, destitute of a cortical layer. 

 Ecouvillon {a-koo-ve f -yon(g))\J<T.\ See Ecouvillot 

 Ecouvillonage [a-koo-ve-yon-ahzh' ') [Fr. ]. The opera- 

 tion of cleansing, and carrying medicinal agents to, the 

 inside of the uterus by means of a brush. 

 Ecphlysis (ek'-Jlis-is) \iKf'Av r etv, burst out : //., Ecphly- 



se.f\. Any vesicular eruption. 

 Ecphractic (ek-frak'-tik) [kufpaKTiidg, clearing ob- 

 struction]. I. Removing obstructions. 2. An ec- 

 phractic medicine. 

 Ecphronia {ek-fro> -ne-ah) [in, out of; fpvv, mind]. 



Insanity. 

 Ecphyadectomy [ek-f-ad-ek' -to-me) [!» appen- 



dage; ticro/ify, excision]. Excision of the vermiform 

 appendix. 

 Ecphyaditis {ek-fi-ad-H '-tis) [iming, appendage ; trig, 

 inflammation]. Inflammation of the vermiform ap- 

 pendix ; appendicitis. This term has also been used 

 to include typhlitis, perityphlitis, etc. 

 Ecphyas [ek'-fi-as) [empvag, an offshoot]. The vermi- 

 form appendix. 

 Ecphyma {ek-fi'-mah) [or, out ; ftieaftat, to grow : pi. , 

 Ecphymata\ An excrescence on the skin. 



