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  • Title: [The smooth-muscle adrenoreceptors of rat and guinea pig tracheas].
    Author: Fedin AN, Nozdrachev AD, Orlova TV.
    Journal: Fiziol Zh Im I M Sechenova; 1996; 82(5-6):87-94. PubMed ID: 9053077.
    Abstract:
    Effects of adrenaline and noradrenaline upon the smooth muscle contractile activity were shown to have a biphasic character. In low concentrations the effects coincide with that of phenylephrine, in high concentrations--with that of isadrine. The alpha-adrenoreceptors seem to be located at the metasympathetic neurons of the intramural ganglia and at postganglionic cholinergic nervous fibers, whereas the beta-adrenoreceptors at the smooth muscle cells.
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