1969Journal of Histochemistry & CytochemistryOpen access

HISTOCHEMICAL DUALITY OF RABBIT INTRAFUSAL FIBERS

Alfred J. Spiro, Rebecca L. Beilin

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Abstract

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.

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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.

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Available abstract

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.

Key concepts: Adenosine triphosphatase, Fiber type, Rabbit (cipher), Chemistry, Anatomy, Muscle fibre, Biophysics, Fiber

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