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  • Title: Neuronal accumulation and metabolism of 3H-1-norepinephrine in rat portal vein: evidence in relation to possible uneven alpha receptor distribution.
    Author: Takimoto GS, Cho AK, Bevan JA.
    Journal: Experientia; 1977 Mar 15; 33(3):370-2. PubMed ID: 858371.
    Abstract:
    The rate of accumulation and metabolism of 3H-1-norepinephrine in the neuronal plexus of rat portal vein produces a small transmitter concentration gradient across the longitudinal smooth muscle layer which cannot account for the prejunctional supersensitivity observed and suggests localization of the alpha-adrenergic receptors adjacent to the nerve plexus.
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