☞ , is inflammation of the lung tissue, associated with catarrh and with marked evidences of inflammation of bronchial membranes, often chronic; – also called , from its affecting single lobules at a time. – , or ordinary pneumonia, is an acute affection characterized by sudden onset with a chill, high fever, rapid course, and sudden decline; – also called , from its affecting a whole lobe of the lung at once. See under

Croupous

. – is an inflammation of the interstitial connective tissue lying between the lobules of the lungs, and is very slow in its course, producing shrinking and atrophy of the lungs.