Influence of sympathetic nerves on development of responsiveness of the chick smooth muscle to drugs.

Abstract

The role of sympathetic nerves in the development of responsiveness of smooth muscle to drugs was investigated using the expansor secondariorum muscle of 2- to 40-day-old chicks. The normal developmental decrease in the responsiveness of the muscle to acetylcholine was prevented by surgical transection of the nerve or chronic treatment with guanethidine… (More)

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