DISCAL 



222 



DISEASE 



Discal (dis'-hai). See Discoid (Illus. Diet.). 



Discaria (dis-ha'-re-ah) [d/cx/ioc, a round plate]. A 

 genus of rhamnaceous shrubs and trees. D. febrifuga, 

 Mart., a Brazilian species from the bark of which a 

 bitter, tonic, and digestive extract is made. 



Discharge. (See Illus. Diet.) 2. A setting free or 

 escape of pent-up energy. In electricity the restora- 

 tion to a neutral electric condition by which a highly 

 electrified body gives off its surplus of electricity to 

 surrounding objects less highly electrified. D., Con- 

 ductive, an electric discharge taking place through 

 conduction. D., Convective, an electric discharge 

 in which the charged particles of a fluid convey the 

 electricity. D., Disruptive, an electric discharge 

 with emission of heat and sound. D., Lochial. See 

 Lochia (Illus. Diet.). 



Disciform (d/Y-e-form). Disc- shaped. 



Discoblastic {dis-ko-blaY -tilt) [/Honor, a disc ; li'/.aaroc, 

 a germ]. Undergoing discoid segmentation of the 

 vi tell us. 



Discoid. (See Illus. Diet.) 2. An excavator having a 

 blade in the form of a disc. 



Discoloration (dis-kul-ur-a' -shun) [discolor, of different 

 colors]. A change in or loss of the natural color of a 

 part. 



Discophorous (dis-hof'-or-us) \SioKoc , a disc ; (boptiv, 

 to bear]. Furnished with a disciform organ or part. 



Discoplacenta {dis-ko-pla-sen' -tah). See Placenta, 

 Discoid (Illus. Diet.). 



Discoplasm, Discoplasma {diY-ko-plazm, -plaz' '-man) 

 \6ionoc, a disc; plasma~\. The plasma of red blood- 

 corpuscles. 



Discous [dis'-kus) \jSioKoc, a disc]. Discoid. 



Discus. (See Illus. Diet.) D. genu, the patella. 

 D. lentiformis, the lenticula. D. oophorus, D. 

 vitellinus. See D. proligerus (Illus. Diet.). 



Disease. (See Illus. Diet.) D., Acetabular, a dis- 

 ease or perforation affecting the acetabulum. D., 

 Acute Specific. I. An infectious febrile disease. 2. 

 Acute syphilis. D., Adams', D., Adams-Stokes, 

 permanent or recurrent bradycardia, combined with 

 syncopal or epileptoid attacks, dependent probably 

 upon arteriosclerosis of the vertebral and basilar ar- 

 teries. D., Albert's, achillodynia. D., Alibert's. 

 (See Illus. Diet.) 2. Sclerodermia. D., Alveolar - 

 echinococcous, Melnikow-Raswedenkow's name for 

 the black jaundice of the Tyrol. D., Amyloid. Same 

 as Albuminoid Disease. D., Anserine. See under 

 Amerine (Illus. Diet.). D., Autogenous, due to 

 failure on the part of some group of body-cells to 

 perform its function. D.s, Bacterial, diseases due 

 to the action of the special products of bacteria 

 upon the body-cells. D., Baelz's, progressive 

 ulceration and ultimate destruction of the mucous 

 glands of the lips. D., Balfour's, chloroma; chloro- 

 sarcoma. A fatal disease of childhood, with post- 

 mortem findings of greenish-yellow or greenish-gray 

 fibrosarcomas in various parts of the body, especially 

 in the periosteum. D., Ballingal's, mycetoma. D., 

 Bamberger's, saltatory spasm. D., Banti's, en- 

 largement of the spleen with progressive anemia, 

 followed by hepatic cirrhosis. D., Barking, A. C. 

 Clark's name for slight nervous disorder attended 

 with a dry barking cough. D., Barlow's, infantile 



, scurvy, generally associated with rickets, and char- 

 acterized by subperiosteal hemorrhages, especially of 

 the long bones, with painful swellings. D., Bar- 

 ometer-maker's. See under Barometer (Illus. 

 Diet.). D., Barthez's Theory of, that held by Paul 

 Joseph Barthez (1734-1806), of Montpellier, who 

 believed disease to be clue to a derangement of the 

 vital principle, to which he attributed motion and sen- 



sibility different from a thinking mind. Every dis- 

 ease was divisible into certain disease elements, viewed 

 as parts of the whole, and these were divisible again 

 into secondary elements. [Park.] D., Bateman's, 

 molluscum contagiosum. D., Bayle's, progressive 

 general paralysis of the insane. D., Beard's, nervous 

 exhaustion; neurasthenia. D., Beau's, asystole; 

 cardiac insufficiency. D., Beauvais' (Landre), 

 chronic articular rheumatism. D., Bechterew's, an- 

 kylosis of the vertebral column, associated, as a rule, 

 with muscular atrophy and sensory symptoms. D., 

 Beigel's, trichorrhexis nodosa. D., Berlin's, trau- 

 matic edema of the retina. Syn., Commotio retitne. Ger., 

 Berlin sche Truebung. D., Billroth's. I. Spurious 

 meningocele. 2. Malignant lymphoma. D., Blocq's. 

 See Ataxia, Briquet's (Illus. Diet.). D., Blue, 

 cyanosis. D., Bohemian, an epidemic of typhoid 

 fever in Bohemia in the year 1620 which caused 

 a loss to the Bavarian army of 20,000 men. D., 

 Bonfils'. See Hodgkin s Disease (Illus. Diet.). 

 D., Bottom, poisoning due to seeds of rattle- 

 box, Crotalaria sagittalis, L. D., Bouchard's, 

 dilation of the stomach due to deficient function of the 

 gastric muscular fibers. D., Bouveret's, paroxysmal 

 tachycardia. D., Brass-founders', chronic poisoning 

 from working in brass. D., Breisky's, kraurosis 

 vulva?. D., Brinton's, linitis plastica ; hypertrophy 

 and sclerosis of the submucous connective tissue of the 

 stomach. D., Bronzed-skin, Addison's disease. D., 

 Brown's Doctrine of. See Brunonian Theory (Il- 

 lus. Diet.). D., Bruck's, a syndrome described by 

 Bruck as consisting of multiple fractures and marked 

 deformity of bones, ankylosis of most of the joints, 

 and muscular atrophy. D., Bulbar. See Paralysis, 

 Bulbar (Illus. Diet. |. D., Button (of chickens), an 

 affection of young chickens in tropical countries char- 

 acterized by the appearance of button-like tubercles at 

 the angle of the mouth. It is regarded as a kind of 

 aspergillosis. D., Caisson. See under Caisson 

 (Illus. Diet.). D., Campanian, a skin-emption 

 usually accompanied by purple warts. Syn., Morbus 

 campanus. D., Cane-of- Provence, dermatitis of the 

 face and other parts, especially the genitals, accompa- 

 nied by fever, headache, and vertigo, and later by 

 vomiting, diarrhea, and dyspnea, observed among 

 basket-makers who handle the reed Arundo donax, ! . 

 It is due to a poisonous fungus, Sporotrichium der- 

 matodes, growing upon the reeds. Syn., Maladie des 

 cannes; M. des roseaux. D., Carrion's, verruga 

 peruviana ; Peruvian wart. D.s, Cereal, those due to 

 ingestion of diseased grains. D., Charcot-Guinon's, 

 dementia complicating some cases of progressive mus- 

 cular dystrophy. D., Cheadle's, D., Cheadle- 

 Barlow's. See D., Barlow's. D., Cherchewsky's, 

 nervous ileus. An affection closely simulating intes- 

 tinal obstruction, that has been observed in neurasthe- 

 nia. D., Cheyne's English, hypochondria. D., 

 Choleraic, a tropical affection resembling cholera, due 

 to the ingestion of poisonous fish. Cf. Signatera. 

 D., Cholesterin, amyloid degeneration. D., 

 Chronic Alcohol, chronic alcoholism. D., Chylo- 

 poietic, one affecting the digestive organs. D.. Coitus. 

 See under Coitus (Illus. Diet.). D., Colloid. 

 Amyloid Degeneration (Illus. Diet.). D., Com- 

 pound System (of Ross), a disease that involves two 

 or more of the embryologic systems of the spinal cord, 

 either simultaneously or consecutively. D., Confec- 

 tioner's, weakened and disorganized finger-nails due 

 to immersion in hot syrup. D., Cornstalk. See 

 Cornstalk-disease. D., Corrigan's. (See Illus. Diet.) 

 2. Cirrhosis of the lung. D., Corvisart's, idio- 

 pathic cardiac hypertrophy. D., Cotugno's, malum 



