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THE SPINAL PARASYMPATHETIC. Eighth Article. INFLUENCE OF THE SPINAL PARASYMPATHETIC ON THE BLOOD‐VESSELS AND ON THE EXTERNAL SECRETION OF THE PANCREAS
Author(s) -
Kuré Ken,
Fujii Minoru
Publication year - 1933
Publication title -
quarterly journal of experimental physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 101
eISSN - 1469-445X
pISSN - 0370-2901
DOI - 10.1113/expphysiol.1933.sp000580
Subject(s) - stimulation , splanchnic nerves , secretion , pancreas , medicine , endocrinology , vasodilation , splanchnic , cholinergic , reflex , anatomy , blood flow
Stimulation of the spinal parasympathetic fibres in the splanchnics causes vasodilatation in the pancreas. Simple stimulation of the intact splanchnics sometimes causes increase of pancreatic secretion. Such increase is more often seen when the sympathetic fibres have been previously interrupted by nicotine application to the cœliac and superior mesenteric ganglia. We suggest, therefore, that the increase must be due to excitation of spinal parasympathetic fibres in the splanchnic. The total nitrogen of the pancreatic juice is increased by excitation of the spinal parasympathetic fibres. This is the case even when there is no remarkable increase of secretion. Correlated with these observations on the external secretion is the further observation that the internal secretion of the organ is also increased by excitation of the spinal parasympathetic fibres. This is dealt with in the succeeding article. We have to express our best thanks to the foundation “Hattori Hôkôkai” for the expenses of this research.