Abstract
A study was made of the effect produced by TEA on the reception of ACh, nicotine, and acids. As established, TEA blocked the reception of nicotine by the receptors, did not affect the action of acids, and only partially depressed the ACh reception; the part of the reaction in response to ACh which remained after the TEA action was blocked in this case with ATP. A conclusion was drawn that in effecting the reaction of the given area to ACh considerable significance is played both by this direct action upon the receptors and by their mechanical stimulation as a result of musculature spasm; it also followed that the ACh transmission in this area was absent.
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