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The diphasic action of acetylcholine and epinephrine on the small intestine



The diphasic action of acetylcholine and epinephrine on the small intestine



Boll Soc Ital Biol Sperim 23(1/2): 87-88



At very small doses acetylcholine inhibits and epinephrine enhances the spontaneous activity of the muscles of the small intestine. At higher concns. both actions are reversed. The longitudinal and circular muscles differ in their excitability. Epinephrine shows a more tonic and acetylcholine a more rhythmic action.

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Accession: 025729853

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