laryngotracheobronchitis

noun
la·​ryn·​go·​tra·​cheo·​bron·​chi·​tis | \ -ˌtrā-kē-ō-brän-ˈkīt-əs, -bräŋ- How to pronounce laryngotracheobronchitis (audio) \
plural laryngotracheobronchitides\ -​ˈkit-​ə-​ˌdēz How to pronounce laryngotracheobronchitides (audio) \

Medical Definition of laryngotracheobronchitis

: inflammation of the larynx, trachea, and bronchi specifically : an acute severe infection of these parts marked by swelling of the tissues and excessive secretion of mucus leading to more or less complete obstruction of the respiratory passages

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