Affiliation:
1. From the Institute of Visual Sciences, Presbyterian Medical Center, San Francisco. Dr. Ito’s present address is the Physiology Department, School of Dentistry, Aichi Gakuin University, Nagoya, Japan
Abstract
In anesthetized in vivo preparations, responses of two types of extraocular muscle fibers have been studied. The small, multiply innervated slow fibers have been shown to be capable of producing propagated impulses, and thus have been labeled slow multi-innervated twitch fibers. Fast and slow multi-innervated twitch fibers are distinguished by impulse conduction velocities, by ranges of membrane potentials, by amplitudes and frequencies of the miniature end plate potentials, by responses to the intravenous administration of succinylcholine, by the frequency of stimulation required for fused tetanus, and by the velocities of conduction of the nerve fibers innervating each of the muscle fiber types.
Publisher
Rockefeller University Press
Cited by
186 articles.
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