HISTOCHEMICAL DUALITY OF RABBIT INTRAFUSAL FIBERS
1 The Saul R. Korey Department of Neurology, Albert Einstein College of Medicine, Bronx, New York
Using the adenosine triphosphatase reaction two histochemically distinct types of intrafusal fibers were demonstrated in rabbit muscle spindles despite morphologic homogeneity of these fibers. This finding, reflecting metabolic differences between these fiber types, is offered as an explanation for the previously unexplained heterogeneity of their physiologic responses. Submitted on December 19, 1968
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