Arterial baroreflex inhibition by midbrain periaqueductal grey in anaesthetized rats


Midbrain periaqueductal grey (PAG) provokes the defense reaction when stimulated. The present study was conducted to determine whether, and how, the PAG produces baroreflex inhibition, a feature characterizing the hypothalamic defense reaction. In chloralose-urethane anaesthetized rats, baroreflex vagal bradycardia and baroreflex hypotension were provoked… (More)
DOI: 10.1007/BF00384352

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