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Text-fig. 23. Arterial-pressure record and effect of stimulation of distal trunk of severed 

 right splanchnic nerve ; decapitate preparation ( E. Britten Jones and T. L. Ormerod). a.p., carotid 

 pressure recorded by Hg. manometer; z, zero-level of manometer; t, time in 2" intervals; 

 S, signal showing period of stimulation of splixnchnic nerve. 1, after looping but not tying the 

 vessels of right adrenal gland ; 2, after ligation of vessels of right adrenal gland ; 3, after 

 removal of right adrenal gland. 



