Dictionary

muscle spindle

noun

Definition of MUSCLE SPINDLE

:  a sensory end organ in a muscle that is sensitive to stretch in the muscle, consists of small striated muscle fibers richly supplied with nerve fibers, and is enclosed in a connective tissue sheath —called also stretch receptor
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First Known Use of MUSCLE SPINDLE

1894
Medical Dictionary

muscle spindle

noun

Medical Definition of MUSCLE SPINDLE

:  a sensory end organ in a muscle that is sensitive to stretch in the muscle, consists of small striated muscle fibers richly supplied with nerve fibers, and is enclosed in a connective tissue sheath—called also stretch receptor

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