Ciliary Streaming in the Bronchial Tree The flow of the ciliary stream in the bronchial tree of man is directed generally upward against gravity. Paradoxically, downstream is up toward the larynx, and ...
This study of ex-cigarette smokers was included as a part of a larger study of bronchial epithelium in relation to a number of different factors, including sex, age, residence (that is, urban or rural ...
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