ECH 



136 



ECY 



gigas, a giant)^ a parasite which 

 infests the intestines of the pig. 



echinulate, a., ek-in'-ul-dt (dim. of 

 L. echinus, a hedgehog), possessed 

 of small spines or prickles. 



Echites, n. plu., ek-it'ez (Gr. echis> 

 a viper,, from its smooth, twining 

 shoots), a beautiful genus of ever- 

 green twiners, Ord. Apocynacese : 

 Echites scholaris, skdl-dr'-is (L. 

 scholdriS) scholarly from schola, 

 a school), a species used in India 

 as a tonic : E. antidysenterica, 

 ant'-i'dis-en'tWiTc-a (Gr. anti, 

 against; dusenterikos, one wha 

 has the dysentery), a species said 

 to be astringent and febrifugal. 



Echium, n., ekf-i-um (Gr. echis, a 

 viper), a pretty genus of shrubs, 

 Ord. Boraginacese, whose seeds 

 are said to resemble the head of 

 the viper. 



eclampsia, n.., ek-lamps'-i-a (Gr. 

 eklampsis,. a shining forth from 

 ek, forth; lampein, to shine), a 

 convulsive attack, so termed from 

 its suddenness. 



ecraseur, n., ek'-raz.-dr' (F. from 

 ecraser? to crush, to grind), a 

 surgical instrument for removing 

 tumours by a combined process- 

 of crushing and tearing, attended 

 by much less bleeding than 

 cutting out. 



ecstasy, n., ek'stas-% (Gr. ekstasis, 

 change of state from ek, out; 

 stasis, standing, state), intense 

 nervous anclemotionalexcitement, 

 in which the functions of the 

 senses are suspended, and which 

 is frequently accompanied by 

 rigid immobility of one or more 

 series of muscles. 



ectasis, n., ek'tas*is (Gr. ektdsis,. 

 extension), the dilated condition 

 of an artery, as in aneurisms, or 

 of a vein, as in varices ; usually 

 applied to the dilatation of small 

 blood-vessels. 



ecthyma, n., Vk'thlm'-ci (Gr. ek- 

 thuma, an eruption), a skin 

 disease consisting of large, 



circular, raised pustules, sur- 



rounded by livid, purplish 

 zones. 



Ectocarpus, n., Zk'td-Mrp'us (Gr. 

 ektos, outside; karpos, fruit), a 

 genus of dark - green marine 

 plants, Ord. Algae, whose thecse 

 are not enclosed, hence the 

 name. 



ectocyst, n.,. %k'to>s$st (Gte ektos , 

 outside; kustis, a bladder),, in 

 zool., the external investment of 

 the coenoecium of a polyzoon. 



ectoderm, n., ek'-to-derm (Gr. 

 ektos, outside; derma,, skia), in 

 z&ol.,. the external integumentary 

 layer of the Coelenterata, corre- 

 sponding to- the- epidermis in 

 man ; the outer or upper layer of 

 cells into which the blastoderm 

 is divided after the completion of 

 the segmenting process.. 



ectopia, n., ek-tdp'i-a (Gr. ek,, out 

 of; topos, place), the displacement 

 of a part : ectopia cordls, ktird'is 

 (L. cor, the heart, cordis, of the 

 heart), the displacement of the 

 heart, in which the heart is situ- 

 ated outside the chest at birth : 

 e. vesicse, vZs-i'se (K vesica, the 

 bladder, veslcce, of the bladder), a 

 deficiency in the abdominal wall 

 of the bladder, in which the 

 bladder appears as a red surface 

 on which the ureters open. 



ectosarc, n., Zk'to-sdrk (Gr. ektos, 

 outside ;. sarx, flesh,, sarkos, of 

 flesh), in zool., the outer trans- 

 parent sarcode-layer of certain 

 rhizopods, such as the Amoeba. 



ectozoon, n., ek'-to-z&tin, ectozoa, 

 n. plu., Vlc'to-zo'-a (Gr. ektos, out- 

 side ;. zodn, an animal,, zod, 

 animals), animal parasites which 

 attach themselves to the skin of 

 the human body, as 'the itch 

 insect,.' fc the louse/ * the chegoe,' 

 and 'the Guinea worm.' 



ectropion, n., %k>trop r >l'0n, also 

 ectropium, n., -i-um (Gr. ek, 

 out ; trepo, I turn), a disease in 

 which the eyelids are everted. 



ecyphellate, a., e-sif'el-ldt (Gr. 

 e, for ex or ek, without ; Eng. 



