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单词 muscle spindle
释义

WordReference Random House Unabridged Dictionary of American English © 2024
muscle spin′dle, 
  1. 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.
  • 1890–95

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更新时间:2025/2/23 14:14:37