The histochemical demonstration of myoglobin in muscle spindles |
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Authors: | N. T. James |
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Affiliation: | (1) Department of Human Biology and Anatomy, University of Sheffield, Sheffield, UK |
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Abstract: | Synopsis Muscle spindles from skeletal muscles of the rat and the guinea pig were stained to demonstrate their myoglobin content.Large intrafusal muscle fibres stained strongly for this pigment whilst the small intrafusal fibres showed little staining. This staining pattern contrasts strongly with that of the extrafusal muscle fibres.It has been suggested that myoglobin may act either as an oxygen storing or as an oxygen transporting pigment. The staining pattern present in muscle spindles indicates that myoglobin may act more as an oxygen transporting pigment than as an oxygen storing pigment. |
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