GANGRENE

n. Gaan2 'gren. Gr., y (from ypav, to gnaw). Lat., oangrcena. Fr., gangrene, asphyxie des parties. Ger., Gangran, Brand. It., gangrena, can gren a. Sp., gangrena. Death of a portion of the living organism, followed by putrefaction or desiccation; due to its direct chemical or mechanical injury, to impairment of its supply of blood, or to certain impaired conditions of the general health. Formerly the term was applied more particularly to a state in which the affected part was not yet actually dead, complete death of a part being called sphacelus. [A, 385. 387; A, 326 (a. 21).] Acute g. G. that pursues an acute course, [o, 34.1 Acute inflammatory g., Acute septic g.. Acute spreading g. [Horsley]. Fr., gangrene foudroyante. Of Cripps, g. following acute septic inflammation, [a, 34.] Anaemic g., Arterial g. G. from arterial obstruction. [A, 69; E.] Aseptic g. Of Duncan, the death and absorption of necrosed ti ue without the presence of micro zymes. [a, 34.] Caseous g. See CASSATION. Cerebral g. See G. by colliquation. Chronic g. G. that pursues a chronic course, [a. 34.] Circumscribed g. A local necrosis caused by traumatic disorganization of the ti ue elements or occlusion of a blood-ve el, [a, 34.] Cold g. FT., gangrene froide. G. without fever or pronounced constitutional disturbance, [a, 34.] Congenital g. A circumscribed g. occurring during uterine life, and existing when the child is born, [o, 34.]_Constitutional g. G. caused by some constitutional disease, such as diabetes, atheroma, etc. [a, 34.] Contagious g. See Hospital g. Cutaneous g. G. affecting the skin and subcutaneous connective ti ue only, as in erysipelas, [a, 31.] Decubltal g. See Bcd-soRES. -Diabetic g. Fr., gangrene diabetique. G. caused by the disturbances of vascular and ti ue nutrition in diabetes, [a, 34.] Diffuse g. Of Cohnheim, g. in which there is the tendency to extend and rapidly Involve ti ues adjacent to those first affected, [a, 34.] Diphtheritic g, Fr.. gangrene diphtlierique. Ger., diplitheritisches Gangran. G. due to diphtheria. Direct traumatic g. G. due directly to an injury. Dry g. Fr, gangrene sec he. Ger., trockenes Gangran. A variety of anaemic g. in which the dead part is dry and shriveled. [E.] Embollc g. Fr.. gangrene emboli que. G. due to embolism. EmphyKcinatous K. Lat., gangrcena emphysema tosa. See Gaseous g. Ergotic g. Fr., gangrene des solo no is. See Gangrenous ERGOTISM. Fulminant g. 'Fr.. gangrene foudroyante. See Acute inflammatory a. G. by radaverlzatioii. Fr.. gangrene par cadarerisation. Of Cruveilhier. g. preceding general somatic death in which the affected portions are cold and cadaverous, [a, 34.] G. b.v coagulation. Fr., gangrene )> '-m iinzi'iise. G. in which gases, such as ammonia, hydrogen sulphide, and volatile fatty acids, are formed in the subcutaneous ti ues, as in malignant o?dem a. [a,:!i. ciciiiic g.!>.. i/ii iii/i-t'in- Identical with iliplitlicrilic finish anil spreaditivr over fresh or granulating wounds, the surfaces of which, together with 'he nH|A i boring skin, are transformed into a slimy, yellow pulp, or into crater-like depre ions penetrating deep into E, he; E, ell; G, go: I, die; I*. In; N, in; N, tank; [s. 144]