Fiber analysis of the feline inferior cardiac sympathetic nerve

D. G. Emery, R. D. Foreman, R. E. Coggeshall

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The left inferior cardiac nerves of nine adult cats were examined with the electron microscope. Electrical recordings were also made from four of these nerves. Most of the nerves contained between 25,000 and 40,000 unmyelinated fibers and 30 to 150 myelinated fibers. The diameters of the unmyelinated fibers range from 0.1 μ to 1.8 μ with mean diameters ranging from 0.47 to 0.78 μ in the various nerves. Thhe myelinated fibers ranged in diameter from 1 μ to 9 μ with a mean diameter of approximately 3 μ. Electrical recordings showed two peaks in both the C fiber and the Aδ fiber compound action potentials. Conduction velocities of the two C fiber peaks were approximately 0.7 and 0.9 m/sec. The two groups of Aδ fibers had conduction velocities of approximately 7 and 16 m/sec.

Original languageEnglish (US)
Pages (from-to)457-468
Number of pages12
JournalJournal of Comparative Neurology
Volume166
Issue number4
StatePublished - 1976

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Myelinated Nerve Fibers
Unmyelinated Nerve Fibers
Felidae
Action Potentials
Cats
Electrons

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Emery, D. G., Foreman, R. D., & Coggeshall, R. E. (1976). Fiber analysis of the feline inferior cardiac sympathetic nerve. Journal of Comparative Neurology, 166(4), 457-468.

Fiber analysis of the feline inferior cardiac sympathetic nerve. / Emery, D. G.; Foreman, R. D.; Coggeshall, R. E.

In: Journal of Comparative Neurology, Vol. 166, No. 4, 1976, p. 457-468.

Research output: Contribution to journalArticle

Emery, DG, Foreman, RD & Coggeshall, RE 1976, 'Fiber analysis of the feline inferior cardiac sympathetic nerve', Journal of Comparative Neurology, vol. 166, no. 4, pp. 457-468.
Emery, D. G. ; Foreman, R. D. ; Coggeshall, R. E. / Fiber analysis of the feline inferior cardiac sympathetic nerve. In: Journal of Comparative Neurology. 1976 ; Vol. 166, No. 4. pp. 457-468.
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