pneumonia (nu-mo'ne-ah)

Any inflammation of the lungs, abortive p. A form of p. in which there is simple pulmonary congestion, apex p., apical p. P. involving the apex of the lung; supposed to run a severe course, catarrhal p. Bronchopneumonia, the form of p. commonly met with in children; an acute catarrhal inflammation of the finer bronchial tubes and of the pulmonary alveoli, central p. A form of p. in which the symptoms are the same as in ordinary croupous p. but the consolidation is central and hence is discoverable only with difficulty, croupous p. See lobar p. embolic p. P. caused by embolism of the bronchial arteries. fibrinous p. See lobar p. fibroid p., fibrous p. See interstitial p. food p. P. caused by particles of food reaching the smaller bronchial tubes in consequence of faulty deglutition, hypostatic p. A form of p. frequently complicating other troubles, especially when the circulation is weak. It attacks the lowermost portions of each lung, interstitial p. A chronic form involving chiefly the pulmonary connective ti ue, lobar p. An acute form of p. in which the air vesicles are the seat of an inflammatory deposit of coagulable fibrin, which fills them and paralyzes their action. Usually it involves a lobe or an entire lung. It is most commonly caused by infection with the Diplococcus pneumoniae, but it may be caused by a variety of other organisms, lobular p. P. that limits itself to scattered groups of lobules, the intervening ti ue remaining sound. ma ive p. P. of the entire lung. p. alba. Pulmonary syphilis of the newborn, tuberculous p. P. caused by tubercles. It follows the course of catarrhal p., and results in pulmonary tuberculosis, typhoid p. P. with adynamic symptoms. It must not be confounded with pneumotyphus. [Gr., pneumonia, from pneumon, the lung.]