DESQUAMATION 



366 



DEW 



Desquamation (des-kwam-a f -shun) [desquamare, to 

 scale off]. The exfoliation or falling off of the cuticle 

 in scales. It is bran-like after measles ; in layers after 

 scarlet fever. 



Desquamative (des-kiuam' '-at-iv) [desquamare, to scale 

 off]. Characterized by desquamation. 



Destructive (de-struk' '-tiv) [destructivus, destroying]. 

 Hurtful ; tending to destroy. D. Distillation. See 

 Distillation. 



Desudation (des-u-da' -shuti) \_desudatio ; de, away ; 

 sudare, to sweat] . I . Excessive or morbidly profuse 

 sweating. 2. Sudamina. 



Desudatory (de-su' '-dat-or-e) [desudatio, a sweating]. 

 A sweating-bath. 



Detergent (de-ter' -jent) [detergere, to cleanse]. 1. 

 Purifying ; cleansing ; abluent. 2. A drug, compound, 

 or solution used for cleansing wounds, ulcers, etc. 



Determinant or Determining Part (de-ter' -min-ant) 

 [determinare, to limit]. Weismann's name for one of 

 the particles of germ-plasm corresponding to a group of 

 biophors ; a primary constituent of a cell or group of 

 cells. 



Determinate (de-ter' -min-at) [determinate, to limit]. 

 1. Applied in botany to an inflorescence in which the 

 blossoming takes place centrifugally, the blossoms 

 being from terminal and not from axillary buds. 2. 

 Weismann's name for One of the cells or groups of 

 cells that are independently variable from the germ 

 onward. They are also called hereditary parts. 



Determination (de-ter-min-a' -shun) [determinatio , a 

 directing]. The direction or tendency to or toward 

 a part or an organ, as of blood to the head. 



Determinism (de-ter' '-min-izm) \_determinare, to limit, 

 prescribe]. In biology, a term introduced by Claude 

 Bernard to indicate the fatality of the reproduction of 

 phenomena under similar conditions, as seen in Ex- 

 perimental Science. 



Detersion [de-ter' '-zhun) [detergere, to cleanse]. The 

 action of a detergent ; a cleansing. 



Detersive (de-ter' -siv) . Same as Detergent. 



Detmold's Method. See Treatment, Methods of. 



Detrition (de-trish'-un) [deterere, to wear off]. The 

 act of wearing or wasting of an organ or part, especi- 

 ally the teeth. 



Detritus (del' '-rit-us) [deterere, to wear off]. The 

 waste matter resulting from any wearing away, or 

 from a destructive process. 



Detumescence (de-tu-mes'-ens) [detumescentia, a sub- 

 sidence of a tumor] . The subsidence of any swelling. 



Deutencephalon (dut-en-se/'-al-on). See Diencepha- 

 lon. 



Deuteria (du-te'-re-ah) [fievrtpia]. The secundines. 



Deutero-albumose (du-ter-o-al' '-bu-mos). See Albu- 

 mose. 



Deutero-elastose (du-ter-o-e-las'-los)[fievTepoc, second; 

 eXaoriKdc, elastic]. Elastin-peptone ; one of the pro- 

 ducts of the digestion of elastin. It is not precipitable 

 by saturation with sodium chlorid. 



Deuteropathy (du-ter-op'-a-the) [Mrepoq, second ; 

 7T«#oc, a disease]. A disease that is secondary to 

 another. 



Deuteropin (du-ter-o' -pin) [Aevrepoc, second ; biriov, 

 opium], C^H^NO,;. An alkaloid of opium. 



Deuteroplasm, or Deutoplasm (du-ter-o' -plazm , or 

 du f -to-plazni) [fiebrepoc, second ; Tclaapa, formed 

 material]. The food-yolk of an egg ; a mass of 

 granules of proteid and fatty matter occurring in the 

 ovum. 



Deuteroscopy (du-ter-os' '-ko-pe) [fievrrpoc , second : 

 ononeiv, to view]. Synonym of Clairvoyance. 



Deuterostoma (du-ter-os' -to-mah) [(hvrepoc, second ; 

 cr6jia, mouth]. In biology, a secondary blastopore. 



Deuterozooid (du-ter-o-zo'-oid) [devTEpog, second; s "wr 

 an animal ; z\6oc, likeness]. In biology, a secondary 

 zooid, developed by budding. 



Deuthyalosome (du-lhi-al' '-o-som) [de'vrepoc, second- 

 va/MC, glass, crystal; oofia, body]. The remains of 

 the germinal vesicle after the polar bodies have been 

 extruded, formed by the union of portions of the 

 chromatic stars or discs with portions of the prothyal- 

 osome. 



Deutoleucite (du-to-lu'-sit) [ihvTtpoc, second; > 

 the yolk of an egg]. In biology, a term applii 

 Salensky to the nutritive vitellus of the eggs of stur- 

 geons ; it is homologous to the secondary vitellus 

 (Nebendotter) of osseous fishes. Cf. Protoleucyte. 



Deutomala (du-to-ma'-lah) [devrepoq, second; mala, 

 jaw]. In biology, a term applied by A. S. Packard, 

 Jr. , to the second pair of mouth-appendages of the 

 Myriopoda, formerly called labium, but really homol- 

 ogous with the first maxillae of insects. 



Deutomerite (du-tom'-er-lt) [devrepoq, second ; 



a part]. In biology, the posterior segment of a two- 

 celled organism, as a gregarine, the anterior cell 

 being called the protomerile, q. v. 



Deutoscolex (du-to-sko'-leks) [dev-epoq, second; 

 OKU/.7/1;, worm]. In biology, applied to secondary or 

 daughter-cysts or bladder- worms that are derived from 

 a scolex or primary bladder-worm. 



Deutospermoblast (du-lo-sper' '-mo-blast) [Selrepoq, 

 second; onepfia, sperm; j3?.aaroq, germ]. Anyone 

 of the cells produced by the division of a protosp>er 

 moblast. 



Deutoxid (dti-toks' -id) [devrepoq, second ; b^'vq, sharp]. 

 See Dioxid. 



Devalgate (de-val' '-gat) \jle, intensive; valgus, bowleg]. 

 Bowlegged or bandylegged. 



Development (de-vel' '-op-ment) [Fr. , developper, to 

 unfold]. The sequence of organic changes, by which 

 the fertilized ovum becomes the mature animal or plant. 



Deventer's Diameter. The oblique diameter of th 

 pelvis. D.'s Method. See Treatment, Methods of. 



Devergie's Disease. See Diseases, 'table of. 



Deviation (de-ve-a' -shun) \_deviare, to deviate]. Tun 

 ing from a regular course, standard, or position. D.. 

 Conjugate, the forced and persistent turning < : 

 and head toward one side, observed with some les 

 the cerebrum. D., Primary, the deviation of the weak 

 eye from that position that would make its 

 line pass through the object-point of the healthy e; 

 D., Secondary, the deviation of the healthy e\ 1 

 that position that would make its visual lin 

 through the object-point of the weaker eye. D. of 

 Teeth, a faulty direction or position of one or mon 

 teeth. 



Devitalization (de-vi-tal-iz-a'-shun) [de priv.j 

 life]. Depriving of life or vitality. D. of Dental 

 Pulp. See Dental Pulp, Devitalization of. 



Devitalize (dc-vi' -tal-iz) [de, from ; vita, life]. To di 

 stroy vitality, as that of living tissue. 



Devonshire Colic (cicv'-on-sher kol'-ik). See JBM 

 Colic. . ,, 



De Vries' Theory of " Intracellular Pangenesis. 

 See Heredity. 



Devys' Operation. See Operations. Tab:, 



Dew's Method. See Artificial Respiration. 



Dew (du) [AS., rtW/7<v, dew]. The watei 

 during the night from the atmosphere by tl 

 of condensation. D.-claw, the aborted hallux ol 

 domestic dog, or the false hoof of an ungulati 

 point, the point at which the air cannot take up m 

 vapor at the existing temperature, or loses a poll 

 of its vapor by condensation if the temperatui 

 but slightly reduced. 



