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Beta motor neurons (β motor neurons), also called beta motoneurons, are a kind of lower motor neuron, along with alpha motor neurons and gamma motor neurons. Beta motor neurons innervate intrafusal fibers of muscle spindles with collaterals to extrafusal fibers - a type of slow twitch fiber. Also, axons of alpha, beta, and gamma motor neurons become myelinated. Moreover, these efferent neurons originate from the anterior grey column of the spinal cord and travel to skeletal muscles. However, the larger diameter alpha motor fibers require higher conduction velocity than beta and gamma.

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  • β motoneuron je typ dolního motorického neuronu, který inervuje vlákna svalového vřeténka s extrafuzálními vlákny (typ vlákna pro pomalé škubnutí). Axony β neuronů jsou myelinizované a jsou tenčí a v přenosu pomalejší než alfa motoneurony. Rozeznává se statický β motoneuron, který inervuje řetězová svalová vřeténka a dynamický β motoneuron, který inervuje vakovitá svalová vřeténka. (cs)
  • Beta motor neurons (β motor neurons), also called beta motoneurons, are a kind of lower motor neuron, along with alpha motor neurons and gamma motor neurons. Beta motor neurons innervate intrafusal fibers of muscle spindles with collaterals to extrafusal fibers - a type of slow twitch fiber. Also, axons of alpha, beta, and gamma motor neurons become myelinated. Moreover, these efferent neurons originate from the anterior grey column of the spinal cord and travel to skeletal muscles. However, the larger diameter alpha motor fibers require higher conduction velocity than beta and gamma. (en)
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  • β motoneuron je typ dolního motorického neuronu, který inervuje vlákna svalového vřeténka s extrafuzálními vlákny (typ vlákna pro pomalé škubnutí). Axony β neuronů jsou myelinizované a jsou tenčí a v přenosu pomalejší než alfa motoneurony. Rozeznává se statický β motoneuron, který inervuje řetězová svalová vřeténka a dynamický β motoneuron, který inervuje vakovitá svalová vřeténka. (cs)
  • Beta motor neurons (β motor neurons), also called beta motoneurons, are a kind of lower motor neuron, along with alpha motor neurons and gamma motor neurons. Beta motor neurons innervate intrafusal fibers of muscle spindles with collaterals to extrafusal fibers - a type of slow twitch fiber. Also, axons of alpha, beta, and gamma motor neurons become myelinated. Moreover, these efferent neurons originate from the anterior grey column of the spinal cord and travel to skeletal muscles. However, the larger diameter alpha motor fibers require higher conduction velocity than beta and gamma. (en)
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  • Beta motoneuron (cs)
  • Beta motor neuron (en)
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