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Responses of the Afferent Nerve from the Medial Gastrocnemius Muscle to the Intra-arterial Algesic Substances in the Cat
고양이에서 통각물질의 동맥내 주입후 유발되는 내측비복근 감각신경의 활동

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Authors
Sheen, Kwang sup; Kim, Jun; Chung, Soon Dong
Issue Date
1989-12
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med, Vol.30 No.4, pp. 213-221
Keywords
Muscle afferent nerveConduction velocityIntra-arterial injectionKCILactic acid
Abstract
The afferent nerve fibers from the medial gastrocnemius muscle in the cat were
studied and classified according to their conduction velocity and their responses to intraarterial
injection of KCl and lactic acid. Among a total of 513 units identified, 101 units were
classified as group III and IV. Eighty-six units were tested for algesic substances. In 39 units
there were no responses to either KCl or lactic acid. In 30 units which showed increased
responses to KCl injections, responses to lactic acid were tested. Among them 11 showed an
increase, four showed a decrease, and 15 showed no response. Among five units which
showed a decreasing response to KCl, two showed an increased response to lactic acid, two a
decreased response, and one showed no response. Eight units showed varying responses to
KCI. Among them, four showed an increase, one showed a decrease, and one showed a
decrease followed by an increased response to lactic acid. It was concluded from the above
results that activation of the muscular afferent nerve fibers by intra-arterial injection of lactic
acid, which could be produced during vigorous muscle contraction, might be related to
muscle pain.
ISSN
0582-6802
Language
English
URI
https://hdl.handle.net/10371/5561
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 30 No.4 (1989)
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