induration

(in-du-ra’shun) [L. indura’tio]. 1. The quality of being hard; the proce of hardening. 2. An abnormally hard spot or place. black i., the hardening and pigmentation of lung ti ue seen in pneumonia. Dbrowni. 1.A deposit of altered blood-pigment in the lung in pneumonia. 2. Marked increase of the connective ti ue of the lung and exce ive pigmentation, due to long-continued congestion from valvular heart discase or to anthracosis. cyanotic i., a congested, dense, and purple state of the kidney in which the blood-current is slowed and the transudation of fluid through the glomeruli is impeded. fibroid i., cirrhosis. Froriep’s i., myositis fibros a. granular i., cirrhosis. gray i., an induration of lung ti ue in or after pneumonia, without pigmentation. laminate i., a thin layer of round-cell infiltration of the corium in chancre. parchment i. Same as laminate i. red i., interstitial pneumonia in which the lung is red and congested.