Components of Cigarette Smoke with Ciliary-Depressant Activity

Abstract
ALTHOUGH the importance of ciliary activity in removing foreign matter from the respiratory system is well recognized there is little quantitative information on the effects of various environmental agents on this function in mammalian preparations. Falk and Kotin1 stated that "the ability of the tracheobronchial tree to prevent the abnormal retention and accumulation of foreign particulate matter by means of ciliary action and mucus stream flow appears paramount in the control of the activity of environmental carcinogenic agents." A similar suggestion was offered earlier by Hilding.2 Hilding2 and more recently Falk et al.3 and Guillerm, Badré and Vignon4 reported that . . .

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