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Chorda tympani proper nerve responses to intra-arterial and surface stimulation of the tongue in rhesus monkey and rat


Hellekant, G; et al (1986). Chorda tympani proper nerve responses to intra-arterial and surface stimulation of the tongue in rhesus monkey and rat. Chemical Senses, 11(4):557-566.

Abstract

The effect of intra-arterial injection of the proteins monellin, thaumatin and miraculin on the activity of the chorda tympani proper nerve were recorded in the rhesus monkey (Macaca mulatto) and the rat (Sprague-Dawley). The substances were injected into the blood stream to the lingual artery. It was found that monellin and thaumatin elicited a response only in the monkey and not in the rat. Acetylated thaumatin, a tasteless substance, gave no increase of the nerve activity. Miraculin had no effect in either species. NaCl, sucrose and citric acid injected intra-arterially gave a response in both species. It is concluded that the responses to intra-arterial injections were caused by stimulation of the taste buds and not nerve fibers. The results suggest there are taste receptors also on the parts of the taste cells not facing the oral cavity. The finding that there was no cross-adaptation between intra-arterial and oral application supports this conclusion

Abstract

The effect of intra-arterial injection of the proteins monellin, thaumatin and miraculin on the activity of the chorda tympani proper nerve were recorded in the rhesus monkey (Macaca mulatto) and the rat (Sprague-Dawley). The substances were injected into the blood stream to the lingual artery. It was found that monellin and thaumatin elicited a response only in the monkey and not in the rat. Acetylated thaumatin, a tasteless substance, gave no increase of the nerve activity. Miraculin had no effect in either species. NaCl, sucrose and citric acid injected intra-arterially gave a response in both species. It is concluded that the responses to intra-arterial injections were caused by stimulation of the taste buds and not nerve fibers. The results suggest there are taste receptors also on the parts of the taste cells not facing the oral cavity. The finding that there was no cross-adaptation between intra-arterial and oral application supports this conclusion

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Item Type:Journal Article, refereed, original work
Communities & Collections:National licences > 142-005
Dewey Decimal Classification:Unspecified
Language:English
Date:1 January 1986
Deposited On:18 Oct 2018 09:55
Last Modified:28 Oct 2018 06:45
Publisher:Oxford University Press
ISSN:0379-864X
OA Status:Green
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1093/chemse/11.4.557
Related URLs:https://www.swissbib.ch/Search/Results?lookfor=nationallicenceoxford101093chemse114557 (Library Catalogue)

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