!>\ - 



402 



DYSMENORRH] A 



inv otimeter per second to a 



mass of one gram. 

 Dys- [/""•] a prefix implying difficulty, illness, bad- 

 ness; it may be represented bj 



Dysacousma painful ; 



hearing]. A sensation oi pain 01 discomfort ca 



by loud <>r c\ en moderati 

 Dysacusia, or Dysacousis 



Lifficulty 



Dyszesthesia 

 Dysalbumose 



Dysanagnosia [<Jt .hard; avay- 



reading]. Word-blindness; dys- 

 lexia. 

 Dysaphc . painful; . touch]. Mor- 



• touch. 

 Dysapocatastasi> [/<'.. hard; 



iblishment]. Morbid restless 

 and dissatisfaction. 

 Dysaponotocv . difficult; 



unless; -■■-■■■■;, birth.]. Painless, but difficult, 



Dysarthria difficult; ap 



articulation]. Impairment of the power of spt • 

 articulation, from d I the medulla and pons. 



D. literalis. Synonym ol Stammering. 



Dysarthrosis ir-tk ' rtr) [<Jif-, bad; apdpov, a 



joint], i. A deformed joint 2. A false-joint. .}. 

 lint. 



Dysbasi . , difficult; IdaiQ , a step] . 



Diffi ultj of walking. (Proposed instead of abasia, 

 as in the affection there is rarely absolute inability to 



W.l 



Dysbulia difficult; hbXeadai, to 



will]. Impairment of will power. 

 Dyscataposis U-ap'-o-sis). Synonym of Hydro- 



Dyschroa, 1 >r Dyschrcea [dis'-kro-ah or -kre'-ah) { 

 bad; . or]. Discoloration, especially of the 



:u. 

 Dyschromatopsia [dis-kro-mat-of/ -se-ah) [Svc-, ill ; 

 . vision]. Difficulty in distin- 



Dyschromia >i/i) \Svq-, ill; \pL>p.a, color], 



ally of the skin. 

 Dyschylia [dis-ki' -le-aK) [owe-, ill; x v/ "C, chyle]. 



I m - irder of the chyle. 

 Dyscinesia , ill ; Kivqoig, mo- 



m]. Difficult or painful motion. 

 Dyscoria . bad; tedptj, pupil]. Ab- 



rmality of the form of tin- pupil. 

 Dyscrasia | . bad; K/tuTir. combi- 



ed or abnormal -t.it- ; an al 

 mal or impure condition of the blood, due to general 



Dyscrasic, Dyscratic 



mbination], < (f the nature of, or af- 

 fected with 

 Dyseccea, or Dysecoia i'-aK) 



1 lardness ol hearing. 

 Dysenteria r. D. 



splenica. Syn mym ol .1/ 'ena. 

 Dysenteric . the 



]. 'if the nature of or affei ted with dysentery. 

 Dysentery bad : 



irked by inflam- 

 mation of t 



int' ith tormina and I . and the frequent 



pa- md bio tools I ''ith may 



ilt from asthenia, 01 u- from perforation. 



Toward the close of grave cases of the disease the 

 stools ma) become watery, black (the so called "tneat- 

 , and of an offensive gangrenous odor. 

 Dysentery is prevalent in all malarious regions, and i> 

 also likely to occur among troops when the food is 



poor and irritating, and the drinking water impure. 

 D., Algid, that form characterized bj great feebleness 

 or absence <<i the pulse beat, cyanosis, aphonia, sup- 

 pression of urine, cold surface, and an early fatal 

 issue. D., Amebic, that in which the Ameba eoli is 

 found in the stools. D., Hemorrhagic, a grove 

 bowel-disease in India, marked by profuse hemor- 

 rhages from the bowels, with collapse. D., Sporadic, 

 a mild type occurring in temperate climates. D., 

 White, an epidemic variety, with mucopurulent 

 >t< tols. 



Dysepulotic (Jis-<-p-u-lot'-ik) \iv , bad; eirouAunxof, 

 healing]. Cicatrizing slowly ami imperfectly. 



Dysesthesia [dis-es-tke / -ze-ah\ \Svq-, difficult; ainiU/rni;, 

 sensation]. Dulness of any sensation, especially that 

 of touch. 2. Painfullness of any sensation not nor- 

 mally painful. D. interna, amnesia. D. receptiva, 

 pain or distress felt in the vertex or occiput, often \\ ith 

 a feeling " as if the head were being opened and shut." 



Dysgenesis [dis-jen* f -es-is) [dvc-, hard ; yeveaa;. genera 

 tion]. In biology, the second of Broca's four degr es 

 of fecundity — in the union of two species. Cf. Agene- 

 sis, Parogen tis, Eugenesis. 



Dysgeusia [dis-ju' -se-ah) [owe-, ill ; yevatg, tasti ]. 

 Morbidity or perversion of the sense of taste. 



Dysgrammatism (dis-gram / -at-izm\ [6vg-, difficult; 

 ypdftfm, a letter]. Inability to make the proper 11- 

 words. It is a symptom of certain cerebral di-,ea>e>. 



Dysgraphia [dis-graf '-e-ah) [owe-, difficult; ; puipeiv , 

 to write]. I. Inability to write, as a result of a brain- 

 lesion. 2. Imperfect configuration of an organ. 



Dyshidrosis (dis-hid-ro'-sis). See Dysidrosis. 



Dysidrosis {dis-id-r</-sis) [owe-, bad ; Idpooig, sweat- 

 ing]. Excessive activity of the sweat-glands, in asso- 

 ciation with a retention of their secretion, probably 

 due to some neurotic disorder. See Chiropompholyx, 

 Pompholyx. 



Dyskinesia [dis-kin-e / -se-ah > j [owe-, difficult; Ktvr/cnc;, 

 movement]. Impairment of the power of voluntary 

 motion. See Discin sia. 



Dyslalia {dis-la'-le-ah} [owe , difficult ; /n?rh\ to talk]. 

 Impairment or difficulty of speaking, due to some 

 non-central lesion (such as a defect of the vocal bands 

 or of the palah 



D ysle xia [dis-leks'-e-ah) [owe-, difficult; '/>ii>\ read 

 ing]. Morbid or aphasic difficulty or fatigue in read- 

 ing. 



Dyslochia {dis-lo* -ke-aJi) [ore-, bad ; '/ii\/n, the lochia]. 

 An abnormal condition of the lochia! discharge. 



Dyslogia [dis-lo' '-je-ah) [ot>c-, difficult; /'<;<». speech]. 

 Difficulty in >peech, not so much with individual 

 words as with the expression ol' ideas ; it is due to 

 some central lesion. See also / 



Dyslysin (dis'-lis-in) \6vq-, difficult ; "Kbeiv, to di^-olve], 

 (■,.,11,,-' >... A resinous anhydrid of cholalic acid. It 

 is insoluble in water, alcohol, and alkalies. It is a 

 Hon crystallifie substance soluble in an excess of ether. 



Dysmenorrhea {dis-men-or-e'-ah) [o"«e . difficult; ufp>, 

 month; freeiv, to flow]. Obstructed or difficult men- 

 struation. D., Congestive, a form of painful men- 

 struation in which often no lesion can be found, the 

 in being due to an intense congestion of the pelvic 

 viscera. In other cases there exists some morbid con- 

 dition that is aggravated by the menstrual congestion. 

 D., Intermediate, pain occurring regularly each 

 month, but not at the menstrual period. D., Me- 

 chanical. See /> , Obstructive. D., Membranous, 



