释义 |
WordReference Random House Unabridged Dictionary of American English © 2024mus′cle spin′dle, - Anatomy, Cell Biology[Cell Biol.]a proprioceptor in skeletal muscle, composed of striated muscle fibers and sensory nerve endings in a connective tissue sheath, that conveys information via the spinal nerves on the state of muscle stretch, important in the reflex mechanism that maintains body posture.
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