Local anaesthesia of the trachea and mucus secretion.


We have tested whether two local anaesthetics, in the lumen of cat trachea in vivo, would block the stimulation of mucus secretion by parasympathetic nerves without altering its stimulation by a cholinergic drug. Lignocaine, 4.3-43 mM (0.1-1%) in Krebs-Henseleit, increased the output of mucus macromolecules. It abolished secretion in response to vagus nerve… (More)


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