Histological study on the neuromuscular receptors of rat akeletal muscles
2006
Maha K. Al-Malak
The present study is to describe the histological characterization of rat neuromuscular receptors and their density in relationship to extrafusal muscle fibres. Neuromuscular receptors or (muscle spindles) were identified and isolated from fore and hindlimb muscles and examined by the light microscope. The _average numbers and densities of muscle spindles were found comparable to some other mammals. . Each muscle spindle was contained 2-4 intrafusal muscle fibres . Three types of intrafusal muscle fibres were distinguished as large (L), medium (M) and small (S). All muscle spindles innervated by sensory and motor nerve fibres which branching from spindle nerve trunk.
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