DIPTERi H ARPl S 



:;:- 



DISEASE 



Dipterocarpus two 



winged , . lrmt]. A genus of trees, mostl) S 



Asiatic. D 



oil or gurjun balsam. 

 Dipterous . wing]. In 



■ I. 



Dipt< .1 wing]. A 



us of leguminous in i - D. odorata, the tree that 



luces tin- l'.'iik.i 



Dipygus .double; buttocks]. A 



monstrosit) with mi - duplication of the pelvis 



.111' I lo'.v 



Dircu • . i fountain near rhebes], A 



gei D. palustris, wicopy, 



a \ American thyme 

 rith the properties of mezereon. li is 

 tic practice for dyspepsia and 

 hemii rania. L i 

 Direct . straight]. In a right or 



ight line. D. Current. See Current. D., 

 Image D. Ophthalmoscopy. See 



D. Vision, the perception of an 

 of which falls upon the maculae. 

 Direction un) [di . to direct]. Rela- 



ti\ insidered without regard to linear dis- 



tance. D. -spindle, a fusiform body of the ovula, 

 tching from the germinal vesicle toward the surface. 

 Director .-, to guide]. Anything 



thai D., Grooved, an instrument 



guide the knife in surgical operations. 

 Dirigomotor [dir-ig r) [dirigere, to direct; 



. a mover]. Causing or involving motion and 

 at the same time direi ting that motion to an end. 

 Dirt : '.') [ME., drit\ Excrement; feces. D. -eat- 

 ing. See Chth ia and Geophagism. 

 Dis [8ic, twice]. A prefix used to denote two or 



' . l prefix to denote apart from. 

 Disaccharids [di-sak'-ar-ids). See Carbohydrates. 

 Disarthral it^-thral) [dig, twice ; apdpov, a joint]. 



• muscles that pass over two joints, e.g., the 

 tri' 

 Disarticulation tik-u-ta' -shun ) [dis, apart ; 



Amputation in the contiguity 

 ;rt or at a joint. 

 Disassimilation im-il-a' -shun) [disassimilatio']. 



In ophthalmology, the decomposition of visual sub- 

 I ina. 

 Disassociation [dis-as-o-se-a' 'shun) [dis, apart; asso- 

 f, to unite with]. In chemistry, the decomp 



and by beat, the molecules reuniting 

 ival of the heat. 

 Disc a quoit or round plate] . A cir- 



cul m or body, especially the papilla of 



th< ive into the eye- 



Is with that of the blind spot. 

 1" i instrument in the form of a disc, 



id paper, for fin 



illings on surface- th. D., Blood. 



D. -carrier, an instrument ap- 



f ir the better application 



indum di th. D., Choked. See 



D., Corundum. A device used in den 



away a portion ; 

 '' ' and applied by means 



: -tin. nl and 



I angle with the shaft 



D., Cupping of. xtion 



D., Germinal, the small disc 



. in whii h the in si 



D., Hypermetropic, 



in hyperme- 



D., Proligerous 



Discharge {dis-charj f ) [ME., dischargen, to unload]. 

 Any evacuation ; thai which is evacuated. See also 

 Pigments, Colors and Dyestuffs. 



Discharger (r//.v'-<7/<//'-/',';). See Electric. 



Discharging (dis-cAarf'-tng) [Ml... dischargen, to on- 

 load]. Unloading, flowing out, as pus, etc. D. 

 Centers, nerve centers whence emanate influences 

 which, according to the structures at the other ends 

 the nerves connected with them, may cause move 

 i units (muscles), secretion (gland i, 01 o infraction ol 

 -els. D. Lesion, a brain-lesion thai causes sudden 

 discharges of nervous motor influent 



Disciferous [dis-if / -er-us)[discus, a disc \ferre, to hear]. 

 In biology, disc bearing. 



Discifloral \dis' -if-lo-ral) [discus, a disc ; jlos (Jlor), a 

 flower]. In biology, applied to su<h flowers as have 

 the receptacle expanded into a conspicuous disi 



Discissio cataractse. See Discission. 



Discission {dis-ish f -un) [discissio; discindere, to tear or 

 cut apart]. I, Bilateral incision, as of the cervix 

 uteri. 2. An operation for cataract. See Cataract. 



Discoblastula [dis-ko-blas f -tu-lah) [dionoc, a disc ; 

 7 '<■■'"'».', a germ]. In embryology, theblastula result 

 ing from the development of a discomorula. 



Discocarp UHs f -ko-karf) [rJ/rwcoc, a disc ; Kapnd 

 fruit]. In biology, applied to those fruits in which 

 the expanded receptacle encloses the seeds or achenia ; 

 also the same as Apothecium. 



Discocytula [dis-ko-sit f u-laK) [8iono(, a disc ; d n 

 cell]. In embryology, the cytula resulting from the 

 reformation of a nucleus in a discomonerula. 



Discodactyl {dis-ko-dak 1 '-til) [8'uskdc, a disc ; 6&ktv2.oc, 

 a finger]. In biology, applied to those animals [e 

 toads and frogs) the ends of whose toes are provided 

 with disc-like dilatations. 



Discogastrula [dis-ko-gas' '-tru-lah) [8ioKoc, a disc; 

 ; aarfip, belly ; gastrule, a two-layered germ-cup]. The 

 gastrula resulting from discoid egg-cleavage or discoid 

 segmentation of the yolk. 



Discoid or Discoidal {dis , -koid, dis-koi' -dal) [6ioko< . a 

 disc]. Somewhat disc-shaped. 



Discomonerula [dis-ko-mo-ner'-u-lak) [SIokdc, disc; 

 fiovijpTjg, solitary]. In embryology, a disc-like 

 monerula of a meroblastir ovum. 



Discomorula (liis-ko-moi' -n/a/i) [SlaKOt , a disc; morula, 

 dim. of morion, a mulberry]. In embryology, a disc- 

 like morula of a meroblastic ovum. 



Discrete {Jis-kref ') [discretus, separated]. A term 

 applied to exanthematous eruptions in which the 

 pustules or papules remain distinct. The opposite of 

 confluent. 



Discus (dis'-kui) [SIokoc, a disc]. A disc. D.prolig- 

 erus, the elevated cells of the membrana granulosa of 

 the ovum, whereby the ovum is attached. 



Discussion {dis-kush* un) [discussio~\. The scattering 

 or driving awayofa swelling, effusion, or tumor. 



Discutient {dis-ku' -shent) [discutere, to shake apart]. 

 1. Capable of effecting res, ,11111011 or discussion. 2. 

 A medicine supposed to have the power of scattei 

 ing or discussing a swelling. 



Disdiaclast [dis-di' '-ak-last) [rftc, double ; 81&, through ; 



ix'/i'iur, to break down], An\ one of the (suppo 

 small doubly refractive elements in the contractile 

 discs changing its position during muscular contrac- 

 tion and relaxation. 

 Disease ') [dis negative; ease, a state of rest]. 



\ condition of the bodj marked by inharmonious 

 action of one or more of the various organs, owing to 

 abnormal condition or structural change. A Table of 

 I ' ■ i named after men who have described or have 

 • 1 tally studied them is appended. D., Acute, a 

 disease marked by raj. id onsel and course. D., Bad, 



