DEGEXERESCEXCE 



209 



DEMONOMY 



otina. D., Fibrous (of the heart), hyperplasia of 

 the cardiac connective tissue accompanying chronic in- 

 terstitial inflammation. D., Gelatiniform. See D., 

 Colloid (Illus. Diet ). D., Granular, parenchymatous 

 degeneration distinguished by a deposit of albuminoid 

 particles. D., Hoen's, degenerative change in stri- 

 ated muscles with nuclear proliferation. D., Hya- 

 loid. See D., Amyloid (Illus. Diet.). D., Hydro- 

 carbonaceous, Paschutin's term for a special degen- 

 eration peculiar to diabetes. Syn., Paschutiii' s de- 

 generation. D., Liquefactive, a process accompany- 

 ing fibrous exudations. D., Meckel's, cholesterin 

 disease or waxy degeneration. D., Mineral. See 

 Calcification (Illus. Diet.). D., Myelin, a process 

 sometimes occurring in chronic pneumonia in which 

 there is a formation of myelin coincident with fatty de- 

 generation in the pulmonary alveoli. D., Myxoma- 

 tous. See D., Mucoid (Illus. Diet). D., Ossific. 

 See Ossification (Illus. Diet. ). D., Parenchymatous, 

 a degeneration of the parenchyma of the kidney fol- 

 lowing the acute nephritis of pregnancy, diphtheria, or 

 an acute attack of fever. It is accompanied by 10'r 

 to 25 % of albumin in the urine, which remains of nor- 

 mal quantity. D., Paschutin's. See D., Hydro- 

 carbotiaceous. D., Pigmentary, D., Pigment, a pig- 

 mentation of the muscles accompanying the atrophy 

 due to cachexia, insufficient food, or the marasmus 

 of old age. D., Putrid. See Hospital Gangrene 

 (Illus. Diet.). D., Secondary (of the spinal cord). 

 See D. y Tiirch's. D., Theroid, in psychiatry, the 

 lowering or approximation of the human mental fac- 

 ulties and instincts to those of the lower animal. D., 

 Trabecular, a degeneration of the bronchial wall in 

 which there is a hypertrophy of the elastic and in- 

 elastic tissues of the fibrous sheath of the bronchus 

 and its cartilages. D., Ttirck's, secondary paren- 

 chymatous degeneration of the spinal nerve-tracts. D., 

 Uratic, the deposition of uric acid and the urates in 

 the tissues. D., Virchow's. See D., Amyloid 

 (Illus. Diet). D., Vitreous. See Albuminoid Dis- 

 ease and D., Amyloid (Illus. Diet.). D., Wallerian. 

 See under Wallerian (Illus. Diet.). 



Degenerescence {de-jen-ur-es > '-ens). See Degeneration. 



Deglabration (deg-la-bra' 'shun) [deglabrare, to make 

 smooth] . The process of becoming bald. 



Degustation ide-gus-ta'-shun) [tlegustare, to taste]. 

 The act of tasting. 



Dehiscence. (See Illus. Diet.) D., Zuckerkandl's, 

 small gaps sometimes existing in the papyraceous lam- 

 ina of the ethmoid bone, and bringing the lining mem- 

 brane of the latter in contact with the dura. They are 

 not pathologic. 



Dehydratation (de-hi-dra-ta'-shun). The removal of 

 hydrogen from a compound by means of reducing 

 agents, by heating, or by the action of strong acids on 

 hydrocarbons. Cf. Dehydration. 



Dehydrogenize (de-hi' ' -dro-jen-tz). To deprive of 

 hydrogen. 



Dehydrotriacetonamin (de-hi-dro-tri-as-et-on-am'-in). 

 A substance acting as a base obtained from acetone by 

 action of ammonia. Syn., Acetonin. [Heintz.] 



Deintoxication (de-in-toks-ik-a' '-shun) \de, from ; in- 

 toxication]. The process of overcoming the effects of 

 toxic substances. 



Deintoxification (de-in-toks-if-ik-a' -shun). See De- 

 toxification. 



Dejecta (de-jekt'-ah) [dejicere, to throw down]. In- 

 testinal evacuations; alvine discharges; fecal matter. 



Dejecture (de-jek'-chur) [dejicere, to throw down]. 

 Matter evacuated from the intestines ; feces. 



Dekamali, Dikamili. A golden yellow exudate ob- 

 tained from Gardenia lucida, Roxb. 



Delaceration (de-las-ur-a / -shun) [delacerare]. To tear 

 to pieces, or lacerate severely. 



Delactation ^ie-lak-ta'-shun). See Ablactation (Illus. 

 Diet.). 



Delimitation {de-lim-it-a' -shun) [delimitare, to mark 

 out]. The determination of the limits of areas, regions, 

 or organs in physical diagnosis. 



Deliquation, Deliquiation {del-ik-vua' '-shun, del-ik-vri- 

 a'-shun). See Deliquescence (Illus. Diet. ). 



Delirium. ( See Illus. Diet. ) D., Acute, acute mania 

 accompanied by incoherent speech and great fear. D. 

 of Collapse, the delirium coincident to the feebleness 

 and general asthenia accompanying severe diseases. 

 D. constantium, the constant repetition and expres- 

 sion of a single fixed idea, characteristic of the delirium 

 of insane persons having fever. D. cordis, the most 

 extreme form of irregularity of the heart. D., De- 

 pressive, a form of general delirium in which there is 

 a marked torpidity as to ideas, feelings, and determina- 

 tions. D., Dupuytren's. See D. nervosum (Illus. 

 Diet.). D., Grave. See D., Acute. D. meta- 

 morphosis, delirium in which there is a fixed idea of 

 metamorphosis into an animal. D., Micromaniacal, 

 delirium in which the patient believes he is dwarfed or 

 his members atrophied. D. mite. See D. mussitans 

 (Illus. Diet). D. nervosum traumaticum. See 

 D. nervosum (Illus. Diet.). D., Primordial, a form 

 marked by ideas which dominate the mind and from 

 which the patient is not able to free himself. D., 

 Traumatic. See D. nervo su m (Illus. Diet.). 



Delphinate {del f -fin-at). A salt of delphinic acid. 



Delta. (See Illus. Diet.) D. fornicis, a triangular 

 area of the ventral surface of the fornix dorsad of the 

 porfce, found in some mammals, e.g., cat. 



Delusion. (See Illus. Diet.) D.s, Expansive, D.s, 

 Large, a symptom of the second stage of the general 

 paralysis of the insane, in which the patient conceives, 

 ideas involving colossal size, magnificent wealth, or 

 extravagant numbers. 



Delusionist (de-lu'-shun-ist). The victim of a delu- 

 sion. 



Demagnetization (de-ruag-net-i-za'-shun). The act of 

 depriving an object of magnetic properties. 



Demedication (de-med-ih-a'-shun). The removal of 

 deleterious drugs from the system, as lead, arsenic, or 

 phosphorus, by the reversal of the electric current used 

 in cataphoresis, in a suitably arranged bath. 



Dementation {de-men-ta 1 'shun) \de, from ; mens, the 

 mind]. Loss of mind, insanity. 



Dementia. (See Illus. Diet.) D. praecox [Esquirol], 

 a form which appears at the age of puberty in children 

 previously intellectually bright ; there are various de- 

 lirious symptoms at the beginning; constant sudden: 

 impulses ; and rapid termination in a dementia which 

 is more or less complete. Called by Christison Hebe- 

 phrenia grazis. 



Demifacet {dem-e-fas-et ' ) \demi, half; facet]. One 

 half of an articulation surface adapted to articulate with, 

 two bones. 



Demipenniform (dem-e-pen'-e-form) [demi, half; 

 penna, a wing]. Applied to structures or organs which 

 have one of two margins winged. 



Demography. (See Illus. Diet.) D.. Dynamic, a 

 study of the activities of human communities, their rise, 

 progress, and fall. D., Static, a study of the anatomy 

 of a human community, its numbers, the sex, age, 

 wealth, calling, etc., of the people. 



Demonomelancholia, Daemonomelancholia {de-mon- 

 o-mel-an-ko f -U-ah). See Demonomania (Illus. 

 Diet). 



Demonomy (de-mon'-om-e) [Atjuoc, the people ; vduos^ 

 a law, a custom] . The science of humanity. 



