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Role of the Sympathetic Innervation of the Pacinian Corpuscle

By Joel D. Schiff

Abstract

An investigation was made into the nature of the role played by the noradrenergic innervation of the pacinian corpuscle. Corpuscles of the cat mesentery and mesocolon were used in all experiments. Blockade of noradrenergic beta receptors by dichloroisoproterenol and interference with norepinephrine release by reserpine are each capable of reversibly blocking mechanoelectric transduction by the pacinian corpuscle. The monoamine oxidase inhibitors iproniazid and phenelzine are capable of protecting the transducer from the blocking effects of reserpine. It is concluded that the presence of norepinephrine, as maintained by sympathetic tonus, is required for the afferent nerve terminal of the pacinian corpuscle to be mechanosensitive

Topics: Article
Publisher: The Rockefeller University Press
OAI identifier: oai:pubmedcentral.nih.gov:2203565
Provided by: PubMed Central
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    Citations

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