Motor unit territories and fiber types in rabbit masseter muscle.

  title={Motor unit territories and fiber types in rabbit masseter muscle.},
  author={Wim A. Weijs and P. J. W. J{\"u}ch and S. H. S. Kwa and Joannes A M Korfage},
  journal={Journal of dental research},
  volume={72 11},
The myosin heavy chain (MHC) content and spatial distribution of the fibers of 11 motor units (MUs) of the rabbit masseter muscle were determined. The fibers of single MUs were visualized in whole-muscle serial sections by a negative periodic acid/Schiff reaction for glycogen after they had been depleted of glycogen by extracellular stimulation of their motoneuron in the trigeminal motor nucleus. The MHC isoforms present in the fibers were characterized by monoclonal antibodies. Individual… CONTINUE READING


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