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Role of caudal pressor area of medulla oblongata in vasomotor tone of peripheral vessels

Wang Jing, Lin Mojun, Jia Bingjun

Department of Physiology,Fujian Medical University.Fuzhou 350004,Fujian

Abstract

To study the role of the caudal pressor area (CPA) on the ventral surface of medulla oblongata in vasotonia of the skeletal muscles and kidneys, perfusion pressures of vessels in skeletal muscles and kidneys were recorded to observe effects of microinjection of L-glutamate (L-glu) into CPA. These results indicate that the vascular roles of CPA were mainly mediated via #alpha#- and/or #beta#-receptors.

Key words: Caudal pressor area;Vasomotor tone;Phentolamine;Propranolol

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Citing This Article：

Wang Jing, Lin Mojun, Jia Bingjun. Role of caudal pressor area of medulla oblongata in vasomotor tone of peripheral vessels. Acta Physiol Sin 1999; 51 (4): (in Chinese with English abstract).