DIABETIC 



368 



DIALYSIS 



phatic. See D. mellitus. D., Saccharine. See D. 

 mellitus. D., True. Synonym of D. mellitus. 



Diabetic (di-ab-ef '-ik) [did, through ; (iaivEiv, to go]. 

 I. Pertaining or belonging to diabetes. 2. A person 

 suffering from diabetes. D. Cataract, an opacity of 

 the crystalline lens sometimes found in association 

 with and thought to be a complication of diabetes. 

 D. Coma. See Diabetes mellitus. D. Gangrene. 

 See Sphaceloderma. D. Sugar, C 6 H 12 6 , a form of 

 glucose, present in the urine of diabetes mellitus. 

 It is identical with grape-sugar. D. Tabes, a 

 peripheral neuritis occurring in diabetic patients, 

 characterized by lightning-pains in the legs, loss of 

 knee-jerk, and a loss of power in the extensors of the 

 feet. The gait is the characteristic steppage. 



Diabetin (di-ab-e* '-tin) [dm, through ; flaivEiv, to go]. 

 The trademarked name for levulose, which is recom- 

 mended as an innocuous and palatable sugar, and 

 nourishing substance for diabetics. It is a white 

 granular mass, soluble in water, and has a pure sweet 

 taste. 



Diabetometer (di-ab-e-tom' -et-er) [diaf3r/T?/g, diabetes ; 

 fiirpov, a measure]. A polariscope for ascertaining 

 the proportion of sugar in diabetic urine. 



Diaboleptic {di-ab-o-lep' '-tik) [did(io7iog, devil ; Tji/x- 

 fidvsiv, to seize]. An insane or deluded person who 

 professes to have supernatural communications. 



Diabrotic (di-ab-rot 1 '-ik) [diajipaTitidg ; did, through ; 

 /3cj3pucKeiv, to eat]. I. Corrosive. 2. A corrosive 

 substance. 



Diacatholicon (di-ak-ath-ol' -ik-on) [(5m, through : nado- 

 "kindg, universal] . Formerly, a purgative compound. 



Diacaustic (di-ak-aws'-lik) [did, through ; Kavannog, 

 caustic]. A double convex cauterizing lens. 



Diacele, Diaccele (di'-as-el) [did, between ; koHtj, a 

 hollow]. A term for the third ventricle or cavity of 

 the diencephalon or interbrain. Its walls are the 

 thalami ; its floor the tuber and diaterma. 



Diacetic Acid (di-as-e'-tik). See Acid. 



Diacetin (di-as' -et-in) [di, two; acidum, acid], C 3 H 5 - 

 (OH)(C 2 H 3 2 ) 2 . A liquid derivative of glycerin, with 

 a bitter taste. It is also called acetidin. 



Diaceturia (di-as-et-u' '-re-ah) [di, two; acidum, acid; 

 ovpov, urine]. The presence of diacetic acid in the 

 urine ; it is a precursor of diabetic coma. 



Diachorema (di-ak-o-re'-mah) [diaxupij/xa, excrement]. 

 Fecal matter ; excrement. 



Diachoresis {di-ak-o-re' -sis) [diaxuprjaig, a passing 

 through]. Excretion or passage of feces. 



Diachoretic (di-ak-o-ref -ik) [diaxupr/TiicSg : ftiaxuptziv, 

 to go through]. Laxative; aperient. 



Diachylon (di-ak'-il-on) [did, through ; x v ^C, juice]. 

 Formerly any emollient plaster composed of the juices 

 of herbs. D. Plaster or Ointment. See Plumbum. 



Diacid (di-as' -id) [di, two; acidus, acid]. In chemis- 

 try, having an acidity of two ; said of an acid or salt. 



Diaclasis (di-ak' -las-is) [didnXaaig, a breaking in two]. 

 Refraction. A breaking. 



Diaclast (di'-ak-last) [dianldeiv, to break apart]. An 

 instrument for penetrating and breaking up the fetal 

 head in craniotomy. 



Diaclastic (di-ak-las'-tik) [dianldeiv, to break apart]. 

 Pertaining to diaclasrs. D. Amputation. See Mai- 

 sonneuve' s Amputation, in Operations, Table of. 



Diacodion (di-ak-o-de' -on), or Diacodium (di-ak-o-de' '• 

 um) [did, through ; kuSeiwv, of poppy-heads] . Syrup 

 of poppies or of opium. 



Diaccele (di-as-e'-le), or Diaccelia (di-as-e'-le-ah). See 

 Diacele. 



Diacope (di-ak' -o-pe) [did, through ; Knirf/, a cut]. A 

 deep, incised wound, especially of the head or skull ; 

 a lengthwise fracture or cut, as of a bone. 



Diacrisis (di-ak' -ris-is) [did, a part ; npiveiv, to separate 

 or secrete : pi., Diacrises~\. I. A critical discharge. 

 2. A change or disorder in a secretion. 3. Any dis- 

 ease marked by altered secretions. 



Diacritic, or Diacritical (di-ak-rif -ik , di-ak-rit' -ik-al) 

 [didnpiaig, a separating]. Diagnostic. 



Diactine [di-ak' -tin) [dig, two; aarig, a ray]. In bio- 

 logy, having two rays. 



Diad (di'-ad). See Quantivalence. 



Diadelphous (di-ad-el' -fus) [dig, two; dde?.<pog, brother]. 

 In botany, applied to stamens that are arranged in 

 two sets or brotherhoods. 



Diaderm (di'-a-derm) [dig, two ; dep/ua, skin]. In bi- 

 ology, a general term proposed by Minot for that 

 essential differentiation of the segmenting ovum, char- 

 acterized by the formation of two plates of cells, 

 differing in chara'cter, joined at their edges and sur- 

 rounding a segmentation-cavity; the two plates or 

 lamina are the two primitive germ-layers, the ecto- 

 derm and entoderm. 



Diadermatic, Diadermic (di-ad-er-mat'-ik, di-ad-er'- 

 mik) [did, through ; d£pp.a, skin]. Administered 

 through the skin. Cf. Hypodermatic. 



Diadexis (di-ad-ek'-sis) [didde^ig, metastasis]. Metas- 

 tasis of a disease, with a change of its character; 

 change in the seat and nature of a disease. 



Diaeresis (di-er'-es-is). See Dieresis. 



Diageotropic (di-aj-e-o-trop'-ik) [did, through ; yf), the 

 earth ; Tperrciv, to turn] . In biology, growing at 

 right angles to the direction of gravitation. 



Diagnose (di-ag-nos'). See Diagnosticate. 



Diagnosis (di-ag-no' -sis) [did, apart; -jvuotg, know- 

 ledge]. The distinguishing, fixation, or interpretn- 

 tion of a disease from its symptoms. D., Differential, 

 the qualitative distinguishing between two diseases of 

 similar character, by comparative symptoms. D., 

 Direct, the recognition of a disease from the existence 

 of one or more signs or symptoms, independently 

 of or in relation with other symptoms, or with age, 

 sex, physical and mental characteristics, residence or 

 occupation, or with the family history. D. by Ex- 

 clusion, the recognition of a disease by excluding 

 all other known conditions. D., Physical, the 

 application of physical methods to the study of 

 disease. 



Diagnostic (di-ag-nos' -tik) [did, apart ; yvuaig, know- 

 ledge]. Determining or confirming a diagnosis ; ser- 

 ving as sufficient evidence in a diagnosis. D. In- 

 cision, an incision (as through the abdominal wall) 

 made for diagnostic purposes. 



Diagnosticate (di-ag-nos' -tik-df) [did, apart ; yviJctg, 

 knowledge]. To make a diagnosis. 



Diagnostician (di-ag-nos-tish' -an) [dia, through; yvuatg, 

 knowledge]. One skilled in making diagnoses. 



Diagometer (di-ag-om' -et-er) [diayuyr/, transmission ; 

 piTpov, a measure]. An instrument for measuring 

 the electric conductivity of bodies. 



Diagraph (di'-ag-raf) [did, thoroughly; ypd<j>eiv, to re- 

 cord]. An apparatus for recording the outlines of 

 crania. 



Diaheliotropic (di-a-he-le-o-trop'-ik) [did, through ; 

 ffkiog, the sun ; Tpoirf/, a turning]. In biology, hav- 

 ing a tendency to grow at right angles to the direction 

 of the light. 



Dialdan (di-al'-dan) [di, two; aldekyd], C g H 14 q... A 

 chemic compound prepared by allowing the mixture 

 of aldehyd and IIC1 used for the preparation of aldol 

 to stand for some time ; it melts at 139 C. 



Dialysate (di-al'-is-iit) [did, through; ?veir, to loose]. 

 A substance that has been acted upon by dialysis. 



Dialysis (di-al'-is-is) [did, through; 7im\ to loosej. 

 The operation of separating crystalline from colloid 



