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  • Title: [Physiological features of the wing muscle fibers of Locusta migratoria locusts].
    Author: Grigor'ev VV.
    Journal: Zh Evol Biokhim Fiziol; 1980; 16(2):148-53. PubMed ID: 6247866.
    Abstract:
    In bifunctional dorsoventral muscle M-120 of the locust Locusta migratoria migratorioides three groups of fibers have been found which differ with respect to their electrophysiological properties. The evoked fast potentials in the fibers of caudal portion differed from fast potentials observed in the fibers of rostral and intermediate portions of the muscle. In the fibers of the caudal and intermediate portions of muscle, not only fast, but other depolarization potentials were also recorded which differ in the amplitude and duration, as well as the inhibitory postsynaptic potentials. It was shown that fibers in these three parts of the muscle differ in their voltage-current properties. It is concluded that different types of potentials are due to peculiarities of innervation and to structural heterogeneity of muscle fibers.
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