DERANGEMENT 



211 



DERMATOSIS 



sis, having distinct physiologic properties. It pro- 

 duces a fall of blood-pressure. Cf. Pressor. 



Derangement. (See Illus. Diet.) D., Internal (of the 

 kneejoint), a form of injur) - described by Hey in 

 which the margin of the condyle is forced over the 

 edge of the internal semilunar fibrocartilage, the leg is 

 rotated carrying the tibia forward and outward, and 

 the pressure gives rise to spasmodic contractions. 



Deric [der'-ik) [dipoc, the skin]. External. 



Dermataneuria [dur-mal-nJi-mi'-re-ah) [dippa, the skin; 

 .1 , a nerve]. Derangement of the nerve- supply 

 of the skin, giving rise to anesthesia or paralysis. 



Dermatatrophia {dur-mat-ah-tro* r -fc-ah) dipua, skin ; 

 a, priv.; Tpooij, nourishment]. Atrophy of the skin. 



Dermathemia {dur- mat-he* -me-ah) [dippa, the skin; 

 atua, blood]. A congestion of the skin. Syn., Derm- 

 tzmia ; Dermohemia. 



Dermatin {dur* -mat-in). A preparation used in der- 

 matology. It consists of salicylic acid, 5-7 parts ; 

 starch, 7-15 parts; talc, 25-50 parts; silicic acid, 30- 

 60 parts ; kaolin, 3-9 parts. It is used as a protective. 



Dermatitis. (See Illus. Diet) D., Blastomycetic, 

 a skin-disease caused by a yeast-like fungus, Blasto- 

 myces dermatitidis, first described by Gilchrist, 1894. 

 Syn. , Oidial dermatitis ; Pseudolupus vulgaris ; Sac- 

 charomycosis hominis ; Pseudoepithelioma with Blasto- 

 myces. D. capillitii papillomatosa. See D. papil- 

 Iomatosa capillitii (Illus. Diet.). D., Common 

 Moist, eczema. D., Duhxing's, an erythemato- 

 bullous, herpetiform affection, regarded by some as a 

 hemato-dermatius. D., Electroplating, a form of 

 inflammation due to lime-dust employed in finishing 

 electroplating, which coming in contact with an 

 abrasion forms a caustic paste which in time pro- 

 duces an ulcer. D. hiemalis, a recurrent inflamma- 

 tion of the skin associated with cold weather and allied 

 to the erythemata ; the color is dark blue. It at- 

 tacks distal extremities first and appears to be due to 

 circulatory disturbance. D. nodularis necrotica, 

 a necrosis of the skin and superficial strata of the 

 corium due primarily to changes and consequent ob- 

 struction in the bloodvessels between the cutis and 

 subcutis. D., Oidial. See D., Blastomycetic. D., 

 Primal, that caused by contact with Primula obconica, 

 Hance ; it is due to the fine hairs on the under surface 

 of the leaves. D., Pustular, impedgo. D., Vege- 

 tative, elevated, vegetating lesions covered with crusts 

 and very prone to bleeding occurring in remissions of 

 eczema on nurslings and believed to be due to some 

 infection. A similar affection in adults has been re- 

 corded under the names eczema z-egetante and pyoder- 

 mite z-egetante. D., X-ray, that due to prolonged ex- 

 posure to x-rays. 



Dermatoautoplasty {dur-mat-o-aztr ' -to-plas-te) [dippa, 

 skin ; autoplasty~\. Skin-grafting with grafts taken 

 from the patient's body. 



Dermatocellulitis | dur-mato-sel-u-li' -tis). Inflamma- 

 tion of the subcutaneous connective tissue. 



Dermatoconiosis, Dermatokoniosis (dur-mat-o-kon- 

 i'-o-sis) [dipua, skin ; Kovia, dust]. Any skin-disease 

 due to dust. Cf. Enteroconiosis ; Pneumoconiosis. 



Dermatocyst {dur-maf-o-sist) [dippa, the skin ; cyst\. 

 A cyst of the skin. 



Dermatodynia (dur-mat-o-din' '-e-ah). See Dermatal- 

 | Illus. Diet ). 



Dermatodyschroia {dur-mat-o-dis-kroi f -ah) [dipua, 



' n ; dioxpota, a bad color]. Abnormal pigmentation 



the skin. 



atoheteroplasty ( dur-mat-o-het'-ur-o-plas-te ) 



dippa, the skin ; heteroplasty]. Dermatoplasty by 



leans of grafts taken from the body of another than 



the patient. 





Dermatokelidosis [dur-mat-o-kel-id-o'-sis) [dipua, the 

 skin ; KI//.160H; to stain]. Pigmentation of the skin. 



Dermatomere {dur-maf '-o-mer) [dippa, the skin ; 

 uipoc, a part]. The integumentary portion of the em- 

 bryonic metamere. 



Dermatomucosomyositis (dur-mat-o-mu-ko-so-mi-o- 

 si'-tis). Inflammation involving the skin, mucosa, and 

 muscles. 



Dermatomycosis. (See Illus. Diet.) D. achorina. 

 See Pavus (Illus. Diet.). D. barbae nodosa. See 

 Sycosis parasitica (Illus. Diet.). D. diffusa. See 

 Tinea imbricata (Illus. Diet.). D. favosa, favus of 

 the skin, exclusive of that of the hair and nails. D. 

 furfuracea. See Tinea versicolor (Illus. Diet.). D. 

 maculovesiculosa. See Tinea circinatm (Illus. 

 Diet.). D. marginata. See Eczema marginatum 

 (Illus. Diet.). D. palmellina, a parasitic disease de- 

 scribed by Pick as affecting the axillas, the chest, the 

 backs of the hands, the inner surfaces of the thighs, 

 and the pubes. It is characterized by the presence of 

 rounded spores adherent to the hairs. D. pustulosa. 

 See Impetigo contagiosa (Illus. Diet.). 



Dermatomyositis {dur-mat ' o-mi-o-si' '-tis) [dippa, the 

 skin ; pic, muscle]. An infectious inflammation of 

 both skin and muscles accompanied by edema, fever, 

 and general depression. Cf. Myositis, Polymyositis. 



Dermatoneuria ydur-mat-o-nu' -re-ak). See Dermato- 

 neurosis (Illus. Diet.). 



Dermatoneurology {dur-mat-o-nu-rol f -o-je) [dippa, 

 the skin ; neurology^. Neurology limited to the skin. 



Dermatoneuxosis. (See Illus. Diet.) D. indicatrix, 

 an eruption of the skin due to nervous disease and 

 indicative of more serious symptoms. D.. Stereo- 

 graphic, a form characterized by an elevation, welt, 

 or wheal corresponding in size and shape to the object 

 the application of which produced the elevation. It 

 is due to an extravasation of serum and is illustrated 

 in the welts that follow light blows of the whip on a 

 nervous horse. 



Dermatonosus. (See Illus. Diet) D., Neuropathic, 

 any cutaneous disease of nervous origin, as angioneu- 

 rosis, trophoneurosis, and idioneurosis. 



Dermatophagus {dur-mat-of'-ag-us). See Table of 

 Animal Parasites (Illus. Diet.). 



Dermatophone {dur-mat' '-o-fon) [dippa, the skin; fyuvij, 

 sound]. A stethoscopic appliance devised by Vol- 

 tolini-Hueter by means of which one may perceive the 

 sound of the blood-current in the skin. It also makes 

 perceptible the muscle-tones and in the tendons and 

 bones it demonstrates the transmitted vibrations. It is 

 called also myophone, tendophone, and osteophone. 



Dermatophyte. (See Illus. Diet.) 2. A cutaneous 

 appendage, as a hair, feather, scale, nail, or horn ; 

 dermaphyte. 



Dermatoplasia [dur-mat-o-pla' -ze-ah) [dipua, the skin; 

 -/daaetv, to form]. The reparative power of the skin 

 to injur} - . 



Dermatoplasm {dur-maf '-o-plazm) [dipua, the skin ; 

 zz'/.aaaeiv, to form]. The active protoplasm which is 

 held by Wiesner and others to form a part of the cell- 

 membrane in plants. 



Dermatosis. (See Illus. Diet. ) D., Angioneurotic, 

 an infectious, toxic, or essential skin disease, charac- 

 terized by a general disturbance of the vascular tension,, 

 together with inflammatory excitement at the surface 

 of the skin. D., Engorgement, a skin disease char- 

 acterized by passive derangement of the circulation with 

 imperfect venous and lymphatic absorption. D., Hem- 

 orrhagic, a traumatic or essential disease of the skin, 

 characterized by hemorrhage from the cutaneous blood- 

 vessels, without inflammation or stasis ; dermatorrhagia. 

 D., Neurotic, a cutaneous affection due to disease of 



