. Advanced lessons in practical physiology for students of medicine. Physiology. Fig. 76.—The Vasomotor Reaction in the Ear of the Rabbit on Division and Stimulation of the Cervical Sympathetic Nerve. A, Normal. B, After division of the cervical sympathetic nerve. C, On stimulation of the distal end of the divided cervical sympathetic nerve. 2. The Depressor Nerve.—Insert a straight cannula in the left common carotid artery and connect it with the mercury manometer. Place the depressor nerve in shielded electrodes, and arrange the electric apparatus for stimulation with a quicklj^ interrupted
. Advanced lessons in practical physiology for students of medicine. Physiology. Fig. 76.—The Vasomotor Reaction in the Ear of the Rabbit on Division and Stimulation of the Cervical Sympathetic Nerve. A, Normal. B, After division of the cervical sympathetic nerve. C, On stimulation of the distal end of the divided cervical sympathetic nerve. 2. The Depressor Nerve.—Insert a straight cannula in the left common carotid artery and connect it with the mercury manometer. Place the depressor nerve in shielded electrodes, and arrange the electric apparatus for stimulation with a quicklj^ interrupted current of mod-. FiG. 77.—Record of the Carotid Blood-pressure in Rabbit Durinc; Stimulation OF the Depressor Nerve. erate strength. Record the blood-pressure and stimulate the aforesaid nerve for about twenty seconds. Note the fall in blood-pressure and also the decrease in the frequency of the heart. Allow the pressure to return to Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Burton-Opitz, Russell, b. 1875. Philadelphia, London, W. B. Saunders Company
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