Gangrene

(gang' -grin). Mortification or death of a part of the body from failure in nutrition. The putrefactive fermentation of a dead limb or ti ue. G., Circular, a form of mortification occurring usually on some part of the lower extremity, and not exceeding in size a ilver half-dollar. It involves the skin and subcutaous ti ues and is accompanied by signs of haustion. G., Constitutional, that dependent upon stemic disease, such as diabetes, or circulatory disease. G., Diabetic. See Sphaceloderma . G., Dry, hriveling and desiccation from insufficiency of blood.., Embolic, that caused by an embolus that cuts off e supply of blood. G., Hospital, a contagious form ising under crowded conditions without antiseptic preutions. G., Moist, a form with abundance of serous udation and rapid decomposition. G., Nosocomial, ospital gangrene. G., Primary, that without preceding flamm at i on of the part. G., Pulpy. See G., Hospital. G., Secondary, a form with preceding inflammation. G., Senile, that attacking the extremities of the aged. G., Symmetric, that attacking corresponding parts of opposite sides. It is called, also, Raynaud s G. See, also, Sphaceloderma. G., White, a moist ne of chronic form, in which there is a serous exudate with lymphatic obstruction, followed by corn anemia. It is unaccompanied by the characteristic change of other varieties of gangrene,