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1. the quality of being hard.
3. an abnormally hard spot or place. adj., adj indura´tive.
black induration the hardening and pigmentation of the lung tissue seen in coal workers' pneumoconiosis.
1. a deposit of altered blood pigment in the lung in pneumonia.
2. increase of the pulmonary connective tissue and excessive pigmentation, due to chronic congestion from valvular heart disease, or to anthracosis. See also gray induration.
cyanotic induration hardening of an organ from chronic venous congestion.
granular induration cirrhosis.
gray induration induration of lung tissue in or after pneumonia, without the pigmentation seen in brown induration.
red induration red, congested lung tissue seen in idiopathic pulmonary fibrosis.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
induration related to persistent, chronic venous congestion in an organ or tissue, frequently resulting in fibrous thickening of the walls of the veins and eventual fibrosis of adjacent tissue; the affected tissue becomes firmer than normal, and tends to have an unusual, red-blue color.
Farlex Partner Medical Dictionary © Farlex 2012
cy·a·not·ic in·du·ra·tion(sī'ă-not'ik in-dūr-ā'shŭn)
Induration related to persistent, chronic venous congestion in an organ or tissue, frequently resulting in fibrous thickening of the walls of the veins and eventual fibrosis of adjacent tissue.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012