DIV 



131 



DOR 



dls, asunder ; varicm, with feet 

 spread apart), in lot., having 

 branches coming off from the 

 stein at a very wide or obtuse 

 angle ; spreading irregularly and 

 widely. 



divergent, a., di-verf-Znt (L. dis, 

 asunder ; vergens, inclining), in 

 bot., radiating or spreading out- 

 wards from a common centre. 



diverticulum, n., di'Vert'ilcf-ul'Um, 

 diverticula, n. plu., -ul-d (L. 

 diverticulum, a bye-way from 

 diverto, I turn aside), in anat., 

 a cul-de-sac, or blind lateral 

 tube given off from the main 

 tube. 



Dochmius, n., ddtf-mi-fts (Gr. 

 dochmios, L. dochmius, an ancient 

 poetic foot), a genus of intestinal 

 worms : Dochmius hypostomus, 

 hi-ptis'ttim-us (Gr. hupo, under ; 

 stdma, a mouth), a parasite of 

 the sheep, goat, and other rumin- 

 ants, found in the intestines : 

 D. trigonocephalus, trig'-on-o-s&f- 

 dl-us (Gr. trigonon, a triangle ; 

 kephdle, the head), a species of 

 parasites which infest the stomach 

 and intestines of the dog : D. 

 tubarformis, tub'.frf6rm'>is (L. 

 tuba, a trumpet ; forma, shape), 

 a species found in the duodenum 

 of the cat; see 'Gamgee.' 



Dodder, n., dod'-der (Ger. dotter, 

 the dodder ; Irish, dodd\ a bunch), 

 curious leafless parasitical plants, 

 whose slender, entangled, thread- 

 like stems run over other plants 

 and often smother them; the 

 genus is Cuscuta, Ord. Convolvul- 

 acese : Cuscuta Europsea, attacks 

 thistles, oats, etc. : C.spithymum, 

 found on heath, furze, etc. : C. 

 epilinum, attacks flax : C. trifolii, 

 is the pest of clover fields. 



dodecagynous, a., dod'-Zk-ddf-m-us 

 (Gr. dodeka, twelve; gune, a 

 woman), having twelve pistils : 

 dodecandrous, a,.,dod<8k-dnd''rus 

 (Gr. aner, a man, a male, andros, 

 of a man), having twelve stamens. 



dolabriform. a.- do-ldb'-ri-fdrm (L. 



ddldbra, an axe ; forma, shape), 

 in bot., shaped like an axe. 



dolichocephali, n. plu., dWfk-o- 

 sef'al-i, also dolichocephalia, n. 

 plu., ddl'.ik.d's8f'dl'.i'a (Gr. dol- 

 ichos, long; kephale, the head), 

 in anat., a monstrosity in which 

 the head is unnaturally long, 

 in a direction from before back- 

 wards ; a term applied to a long- 

 headed race of cave-dwellers who 

 inhabited Britain in prehistoric 

 times; dolicocephalic, a., dol'-ik* 

 d-sef-al'ik, long-headed or long- 

 skulled. 



Dorema, n.,dor-ew'a(Gr. dorema, 

 a gift), a genus of plants, Ord. 

 Umbelliferse, which produce gum 

 ammoniac, natives of Persia; 

 Dorema ammoniacum, .. am'-on-l* 

 dk-um (Gr. Ammon, Egyptian 

 name of Jupiter, whose temple 

 was in the sandy deserts of 

 Libya, where the tree grew), a 

 tree which yields ammoniac, a 

 fetid gum resin; the tree yields 

 resin, gum, and volatile oil, all 

 used- medicinally. 



dorsal, a., ddrs'-dl (L. dorsum, the 

 back), pert, to the back, as the 

 dorsal fin of a fish ; in bot. , ap- 

 plied to the suture of the carpel 

 which is farthest from the axis ; 

 fixed upon the back : dorsiferous, 

 a., ddrs-tf'Zr-us (L,few, I bear), 

 applied to ferns which bear 

 fructification on the back of 

 their fronds : dorsum, n., ddrs- 

 um, the part of the carpel 

 farthest from the axis ; dorsal 

 surface, in anat., the back or 

 posterior, as distinguished from 

 the ventral or anterior surface : 

 dorsal vertebraa, the bones in 

 the spine of the back, twelve in 

 number. 



dorsales pollicis, do > rs-al'ezpo'l f 'liS' 

 is (new L. dorsdlis, dorsal from 

 L. dorsum, the back; pollex, a 

 thumb, pollicis, of a thumb), in 

 anat., the dorsal arteries of the 

 thumb ; two small arteries which 

 run along the sides of the dorsal 



