DHURRIN 



214 



DIAPHRAGM 



Dhurrin (ditt^-ni). A cyanogenetic glucosid derived 

 from glucose and occurring in young plants of Sorghum 

 vidgare (durra or Guinea corn). It gives rise to prus- 

 sic acid when acted on by a hydrolytic enzyme. 



Diabetes. (See lllus. Diet.) Syn., Diarrhoea urinosa. 

 See Sign, C/nschu/d's. D., Alimentary, that due to 

 defective assimilative power over the carbohydrates of 

 food. D., Alternating, a form of diabetes mellitus 

 alternating with gout. D., Azoturic, diabetes with- 

 out glycosuria accompanied by increase of urea in the 

 urine. D., Biliary, Hanot's disease. D., Bronzed. 

 See Hemochromatosis. D., Composite, that in which 

 sugar and oxybutyric acid and its derivatives are dis- 

 charged in the urine. D., Conjugal. See under 

 Conjugal (lllus. Diet.). D. decipiens, glycosuria 

 without increase in the amount of urine. D., Hydru- 

 ric, polyuria in which the water in the urine is in 

 excess without increase in the solid constituents of the 

 urine. D. inositus, diabetes mellitus in which inosite 

 takes the place of grape-sugar. Marie-Robinson's 

 Syndrome, a variety of diabetes with melancholia, 

 insomnia, impotence, and the presence in the urine of 

 a levulose that disappears rapidly on the suppression 

 of carbohydrates. D., Neurogenic, that due to dis- 

 order of the nervous system. D., Puncture. See 

 D., Artificial (lllus. Diet.). 



Diabetico (di-a-bet'-ik-o). A beverage recommended 

 in diabetes said to consist of alcohol, 8.25%; extrac- 

 tive, 3.27%; glycerin, 0.82%; saccharin, 0.023%; 

 sulfuric acid, 0.036%; tartaric acid, 0.56%; phos- 

 phoric acid, 0.025%. 



Diabetide (di-ab-e'-tlii) [Sid, through ; fiaiveiv, to go]. 

 A cutaneous manifestation of diabetes. 



Diabetogenic, Diabetogenous (di-a-be-to-jen* '-ik, di- 

 a-be-toj'-en-us) [diabetes ; yewav, to produce]. Caus- 

 ing diabetes. 



Diabetograph (di-a-bet' -o-graf) [diabetes; y/>a<t>civ, to 

 write]. An instrument which registers the amount of 

 glucose present in the urine which is dropped into it 

 in boiling Fehling's solution. 



Diabrosis (di-ab-r(/-sis). See Anabrosis (lllus. Diet). 



Diacaustic. (See lllus. Diet.) 2. Exceedingly caus- 

 tic. Cf. Dicretic. 



Diacetanilid {di-as-et-an f -il-id). C 6 H 5 N(C 2 H 3 G\,) 2 . 

 A compound of acetanilid and glacial acetic acid closely 

 resembling but stronger than acetanilid in physiologic 

 action. 



Diacetic-aciduria {di-as-et-ik-as-id-u' '-re-a/i). See 

 Diacetnria (lllus. Diet.). 



Diacetonuria (di-as-et-on-u' '-re-aA). See Diaceturia 

 (lllus. Diet.). 



Diacoustics (di-aA-oos'-tiks) [Sid, through ; anovetv, to 

 hear]. The department of physics which treats of the 

 refraction of sound. Syn., Diaphon. 



Diacrisis. (See lllus. Diet.) D., Follicular, an 

 alteration of the secretion of follicular glands, due to 

 disease. 



Diacrylate (di-alc'-ri/-at). A salt of diacrylic acid. 



Diactinic [di-ak-tin'-ik). Capable of transmitting 

 actinic rays. 



Diagnosis. (See lllus. Diet. ) D., Anatomic. I, A 

 diagnosis based upon the recognition of definite ana- 

 tomic alterations lying back of the phenomena. 2. A 

 postmortem diagnosis. D., Pathologic, diagnosis 

 based upon the nature of a lesion without regard to its 

 situation. D., Topographic, that based upon the 

 seat of a lesion. 



Diagnostics (</i-ag-nos f -tiks) [did, apart; yvottie t 

 knowledge]. The science and art of diagnosis. 



Diagnostitial (iti-ttg-nos-tish'-al). Procedure having a 

 diagnostic purpose. 



Diahydric (di-ah-hi'-drik) [did, through; vdop, water]. 



Relating to transmission through water, as a percussion- 

 note through a stratum of interposed fluid. 



Dialose (di-al-os). A substance obtained from the fruit 

 of Gymnocladus ckinensis, Baill. , and used as a cleans- 

 ing agent. 



Dialuramid (di-al-u' '-ratn-id). Same as Uramil or 

 Murexane (lllus. Diet.). 



Dialysis. (See lllus. Diet.) D., Gaseous, the sep- 

 aration of gases by means of differences in their diffusi- 

 bility. 



Dialytic {di-al-if '-ik) [did, through ; /.veiv, to loose]. 



1. Pertaining to or similar to the process of dialysis. 



2. Producing relaxation (said of a remedy). 3. A 

 condition of divergent change or evolution. Cf. Cata- 

 lytic ; Hemolytic. 



Dialyzable (di-al-V-za-bl). Capable of being sepa- 

 rated by diffusion. 



Dialyzed Raw Meat. A reddish fluid, with a slightly 

 acid or bitter taste, prepared from fresh beef or mutton 

 to which are added 200 gm. of water, 5 gm. of hydro- 

 chloric acid, and 2 gm. of pepsin ; the whole is boiled 

 at 38 C. for 5 or 6 hours. 



Diametric {di-am-et'-rik). I. Of, pertaining to, or 

 coinciding with a diameter. 2. At opposite ends of a 

 diameter — extremely opposed. D. Pupil, one which 

 constitutes a vertical slit, as is the case after two 

 iridectomies, one upward and the other downward. 



Diaminuria {di-am-in-u'-re-ah) [diamin ; otipov, urine]. 

 The presence of diamin compounds in the urine. 



Diamylphosphin {di-am-il-fos f -fui). A variety of 

 amylihphosphin ; secondary amylphosphin. 



Dianella [di-an-el'-ah). [Diana, goddess of the chase]. 

 A genus of plants of the order Liliaceic. D. nemor- 

 osa, Lam., a species indigenous to tropical Asia and 

 Australia. A decoction of the root is employed in 

 urinary and catarrhal complaints. 



Dianthus {di-an' -tints') [Moc, godlike ; avOoc, a flower]. 

 A genus of plants of the order Caryophyllea. D. 

 arenarius, Linn., a species indigenous to Europe. 

 The infusion of the flowers is given as a diaphoretic, 

 cephalic, and nervine. The same use and properties 

 belong to D. armeria, Linn., D. barbatus, Linn., 

 and D. carthusianorum, Linn., all natives of Europe. 

 D. caryophyllus, Linn., a native of Europe and 

 western Asia, is the original stock from which arc de- 

 rived the many varieties of cultivated carnations. It is 

 used in decoction as a diaphoretic. The Mowers furnish 

 a volatile oil used in perfumery ; they are also used for 

 coloring and flavoring syrups. The flowers of D. 

 deltoides, Linn., of Europe and western Tibet, were 

 formerly official. 



Diaphane (di'-af-dn) [dta, through; faiveiv, to shine]. 

 I. A transparent investing membrane of an org. 

 cell. 2. A small electric lamp used in transillumina- 

 tion. 



Diaphaneity (di-af-an-e f -it-e). Transparency. 



Diaphonics (tti-af-ou'-ibs). Same as Diacoustics. 



Diaphotoscope (di-a/-o / -lo-sio/>) [did, through ; 

 light ; OKOiritv, to see]. A variety of endoscope, 



Diaphragm. (See lllus. Diet.) D., Condensing, 

 a diaphragm containing lenses for converging the 

 light-rays. Cf. Condenser, Abbe's. D., Cylindric, 

 in microscopy, a piece of substage apparatus fitted with 

 perforated stops, each allowing a different amounl d 

 light to pass. D., Graduating, one which allows a 

 concentric increase or diminution of the light. See />-, 

 Iris (lllus. Diet.). D., Inferior, the vertical part of 

 the diaphragm. Syn., Musculus diaphragmatieus 

 minor. D., Pelvic. I. See Levator ant, in Table of 

 Muscles (lllus. Diet.). 2. Tin- leva/ores ani and the 

 coccygci muscles combined ; also called perineal, and 

 rectal diameter. D., Perineal. See D., Pelvic. D.- 



