Hypertension, Bradycardia, and Pulmonary Edema in the Conscious Rabbit after Brainstem Lesions Coinciding with the Al Group of Catecholamine Neurons


We studied the effects of lesions in the ventrolateral medulla, in a region coinciding with the cell bodies of the Al group of catecholamine neurons. After bilateral electrolytic lesions at three contiguous rostrocaudal levels (obex and at 1 and 2 mm caudal to the obex), mean arterial pressure increased by 40 mm Hg in the conscious rabbit. This rise in… (More)


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