Abstract
Summary
It is shown that the estimated ACh-content of the myenteric plexus of the rabbit and guinea pig (400-800 γ/g) is higher than that of any other mammalian nervous tissue. Since the cells of this plexus are known to be the most resistant of all nerve cells to anoxia, further evidence is provided indicating a relationship between resistance to oxygen-lack and ACh-content of parts of the nervous system.
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