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  • Title: Muscarinic cholinergic receptors mediate the cerebrovasodilation elicited by stimulation of the cerebellar fastigial nucleus in rat.
    Author: Iadecola C, Underwood MD, Reis DJ.
    Journal: Brain Res; 1986 Mar 19; 368(2):375-9. PubMed ID: 3516306.
    Abstract:
    We have investigated the effects of systemic administration of atropine sulfate on the global cerebrovascular vasodilation elicited by electrical stimulation of the cerebellar fastigial nucleus (FN) in chloralose-anesthetized rat. Atropine (0.3 mg/kg, i.v.) abolished the cerebrovasodilation elicited from FN but did not affect the concomitant elevation in arterial pressure and the EEG changes. We conclude that the cerebrovascular effect of FN stimulation, but not the peripheral cardiovascular or EEG changes, are mediated by cholinergic muscarinic receptors associated with cerebral vessels and/or intrinsic neural pathways.
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