DIS 



130 



DIV 



cut into a number of narrow 

 divisions: dissection, n., dis- 

 sZkf'Shun, the cutting or separat- 

 ing parts of a body with the view 

 of examining minutely its struct- 

 ure and arrangement of parts. 



dissepiment, n., dis-sep'&ment (L. 

 dissepio, I separate or divide 

 from dis, asunder; sepes, a hedge), 

 in bot., a partition in an ovary or 

 fruit; used sometimes to designate 

 certain imperfect transverse par- 

 titions found growing from the 

 septa of many corals. 



dissilient, a., dis-sil'-i-Znt (L, dis- 

 siliens, leaping asunder, flying 

 apart from dis, asun der ; saliens, 

 leaping), in bot., bursting and 

 opening with an elastic force. 



distal, a., distal (L. disto, I stand 

 apart; a probable corruption of 

 Eng. distant},, in anat., remote 

 from the place of attachment, as 

 the ' distal ' extremity of a bone ; 

 farthest from the heart or trunk; 

 in zool., applied to the quickly 

 growing end of the hydrosoma of 

 a hydrozoon by which the or- 

 ganism is fixed, when attached at 

 all ; the opposite end is called the 

 'proximal.' 



distant, a., distant (L. distantia, 

 remoteness from dis, asunder ; 

 stans, standing)j in bot., applied 

 to the gills of Agarics when widely 

 separated. 



distemper, TL.,. dis -tempter (L. dis, 

 not; Eng. temper, the condition of 

 the animal body in all its parts in 

 health), a disease of some animals, 

 chiefly the dog, whose leading 

 symptoms are a running from the 

 nose and eyes, and a loss of strength 

 and spirits. 



distichous, a., dis'-tik-us (Gr. dis, 

 twice ; stichos, a row), in bot., 

 disposed in two rows on the op- 

 posite sides of a stem, as the 

 grains in an ear of barley. 



Distoma, n., dis'-tom-a (Gr. dis, 

 twice ; stoma, a mouth, stdmdta, 

 mouths), a genus of the Entozoa, 

 having two pores or suckers : 



Distoma hepaticum, he-pat'th-tim 

 (Gr. hepatikos, L. hepaticus, one 

 diseased in the liver), a small, 

 flat, -flounder-like worm found in 

 the livers of sheep in a perfect 

 condition, and in the bile ducts 

 of sheep and oxen ; it also attacks 

 the horse, the ass, the pig, and 

 other animals, sometimes even 

 man ; the ' Fasciola hepatica, ' 

 which see: D. lanceolatum, lans'- 

 e-o-lat'-um- (L. lanceola, a little 

 spear from lancea, a spear), a 

 species of intestinal worm which 

 attacks the pig, cat, rabbit, etc., 

 but finds' its most frequent 

 habitat in the liver of the ox : 

 distomidse, n. plu., dis-tom'-id-e, 

 a family of the Entozoa or fluke- 

 worms, comprising several genera, 

 of which Distoma is one ; see 

 'Cobbold.' 



distractile, a., dte-trtibtftt (L. dis- 

 tractuS} divided, perplexed from 

 dis, asunder ; tractus, drawn or 

 dragged), in bot., separating two 

 parts to a distance from each 

 other ; torn asunder. 



dithecal, a., dl-thetfdl (Gr. dis, 

 twice ; theke, a receptacle, a chest), 

 in bot. , having two loculaments or 

 cavities, said of an anther. 



dittany, n., dit'dn-i(Gr. diktamnos, 

 L. dictamnus, the plant dittany 

 from Dicte, the mountain in 

 Crete where found), an aromatic 

 plant whose leaves resemble lemon 

 thyme in smell ; wild or bastard 

 dittany is Dictamnus fraxinella, 

 Ord. Rutacese, which abounds in 

 a volatile oil ; the dittany of 

 Crete is Origanum dictamnus, 

 Ord. Labiatse. 



diuresis, Q..,di f 'Ur-e < zf-is(QT. dioureo, 

 I void by urine from dia, through ; 

 our on, urine), an increased or ex- 

 cessive flow of urine : diuretic, 

 (Gr. diouretikos), 



having the power of provoking 

 urine : n., a medicine which in- 

 creases the discharge of urine. 

 divaricate, a., di-var'-ik-at (L. di- 

 vdricdtuSf spread asunder from 



