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Related to terminal bronchiole: respiratory bronchiole
one of the successively smaller channels into which the segmental bronchi divide within the bronchopulmonary segments. adj., adj bronchi´olar.
respiratory b's the final branches of the bronchioles, communicating directly with the alveolar ducts; they are subdivisions of terminal bronchioles, have alveolar outcroppings, and themselves divide into several alveolar ducts.( and see color plates.)
terminal bronchiole the last portion of a bronchiole that does not contain alveoli, i.e., one whose sole function is gas conduction; it subdivides into respiratory bronchioles.
the end of the nonrespiratory conducting airway; the lining consists of simple columnar or cuboidal epithelium without mucous goblet cells; some of the cells are ciliated; numerous Clara cells also occur.
Synonym(s): bronchiolus terminalis
ter·mi·nal bron·chi·ole(tĕr'mi-năl brong'kē-ōl)
The end of the nonrespiratory conducting airway; the lining is simple columnar or cuboidal epithelium without mucous goblet cells; most of the cells are ciliated, but a few nonciliated serous secreting cells occur.