释义 |
DictionarySeebronchusbronchial tree
bronchial tree[′bräŋ·kē·əl ′trē] (anatomy) The arborization of the bronchi of the lung, considered as a structural and functional unit. bronchial tree
tree [tre] an anatomic structure with branches resembling a tree.bronchial tree the bronchi and their branching structures; see color plates.tracheobronchial tree the trachea, bronchi, and their branching structures; see color plates.bronchial tree The bronchi and their branching bronchioles. The trachea divides into two mainstem (primary) bronchi at the level of the sternal angle at the point of the carina, an acutely angled anatomical landmark; the right mainstem bronchus divides into two lobar (secondary) bronchi, and the left mainstem bronchus divides into three lobar bronchi; these in turn divide into segmental (tertiary) bronchi, quaternary, quinary, etc.LegalSeeTree |