DYS 



135 



ECH 



I breathe), a difficulty of breath- 

 ing. 



dysuria, n., dis-ur'i-a (Gr. dm, 

 badly ; ouron, urine), difficulty 

 in making urine. 



Ebenacese, n. plu., W-Zn-d'se-e 

 (Gr. eb&nos. L. ebZnus, the ebon 

 tree, ebony), the Ebony family, 

 an Order of trees remarkable for 

 the durability and hardness of its 

 wood, and some bear edible fruits: 

 ebony, n., $b'8n>t, the black 

 duramen of the species Diospyros 

 reticulata and ebonum. 



ebracteate, a., Z-brak'-te-dt (L. e, 

 from ; bracffia, a thin layer of 

 wood), in bot. f without a bract or 

 floral leaf. 



eburnation, n., eb'-er-nd'-shun (L. 

 ebur, ivory), an ivory-like con- 

 dition of bone arising from dis- 

 ease, chiefly in connection with 

 rheumatoid arthritis. 



Ecballium agreste, ek-bdl'li-Um 

 dg-r$st'& (Gr. ekballo, I cast out, 

 I expel ; L. agrestis, belonging 

 to the fields), or Ecballium offic- 

 inarum, tif-ftf-fa-drtfim (L. offic- 

 ma, the shop, qfflcindrum, of the 

 shops), the wild or squirting 

 cucumber ; the latter is the 

 officinal name of the Momordica 

 elaterium, Ord. Cucurbitacese. 



ecchymosis, n., Zk'-i-m&ztts (Gr. 

 ek, out of; chumos, juice), livid 

 spots or blotches on the skin 

 arising from an escape of blood 

 into the connective tissues of the 

 skin, as may be caused by a fall or 

 blow, or resulting from disease ; 

 a bruise. 



Eccremocarpus, n., $k'kr$-mo' 

 kdrp'&s (Gr. ekkremes, hanging 

 down ; karpos, fruit), a genus of 

 ornamental climbing plants, Ord. 

 Bignoniacese, so called from the 

 pendant character of its fruit : 

 Eccremocarpus scaber, skdb'-Zr 

 (L. scaber, rough), a commonly 

 cultivated species. 

 ecderon, n., ekf-der^n (Gr. ek, out 

 deros, skin, hide), in zool, the 



outer of the two layers of that 

 part of the skin called 'ectoderm/ 

 corresponding to the * epidermis ' 

 in man, into which it shows a 

 tendency to break up. 



ecdysis, n., Zk'dis-ts (Gr. ekdusis, 

 the act of stripping, an emerging), 

 a shedding or moulting of the 

 skin. 



echinate, a., Wc-ln'dt or Wc'm-at 

 (L. echindtus, prickly : from Gr. 

 echinos, L. echinus, a sea-urchin, 

 a hedgehog), covered with 

 prickles like a hedgehog; prickly: 

 echinus, n., Zk-in'us, a sea-hedge- 

 hog ; the prickly head or top of a 

 plant. 



Echinocactus, n., ^k-in'o-kak'-tus 

 (L. echinus, a hedgehog ; cactus, 

 the cactus), a genus of spiny 

 plants, Ord. Cactacese, of great 

 beauty and interest: Echinocactus 

 viznaga, mz-ndg'-a (vizndga, a 

 carrot-like ammi), a species which 

 attains large dimensions. 



Echinococcus, n., 8&in'>#%?*, 

 Echinococci, n. plu., ek-m'6-kdk' 

 si (Gr. echinos, a hedgehog ; kok- 

 kos, a berry), the larval form of 

 a minute tapeworm of the dog, 

 the Tsenia echinococcus commonly 

 called ' hydatid ' ; known by 

 many other names, as Echinococ- 

 cus hominis, hdrn'-in-is (L. homo, 

 man, hommis, of man), a species 

 which infests man ; and E. veter- 

 inorum, vet'-gr-m-or'tim (L. veter- 

 inorum, of beasts of burden), a 

 species which infests cattle, etc. 



Echinodermata, n. plu., Zk-in'-d' 

 derm' at- d (Gr. echinos, a sea- 

 hedgehog; derma, skin), a class 

 of animals comprising sea-urchins, 

 star-fishes, etc., most of which 

 have spiny skins : Echinoidea, 

 n., eTc'-in-dyd'-Z-a (Gr. eidos, 

 resemblance), an Order of. animals 

 which comprises sea-urchins. 

 Echinorhynchus, ,n., Zk-lri'-d-rmglf- 

 us (Gr. echinos, a hedgehog ; 

 rungchos, a snout, a beak), a 

 genus of intestinal worms : 

 Echinorhynchus gigas, jig' as (L. 



