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单词 lower motor neuron
释义 DictionarySeeneuron

lower motor neuron


lower motor neuron

[′lō·ər ′mōd·ər ‚nü‚rän] (neuroscience) An efferent neuron which has its body located in the anterior gray column of the spinal cord or in the brainstem nuclei, and its axon passing by way of a peripheral nerve to skeletal muscle. Also known as final common pathway.

lower motor neuron


low·er mo·tor neu·ron

clinical term used to indicate the final motor neurons with axons that innervate the skeletal muscles; distinguished from upper motor neurons of the motor cortex that contribute to the corticospinal tract.
See also: motor neuron.

low·er mo·tor neu·ron

(lō'ĕr mō'tŏr nūr'on) The final motor neurons that innervate skeletal muscles; distinguished from upper motor neurons of the motor cortex that contribute to the pyramidal or corticospinal tract.
See also: motor neuron

lower motor neuron

A peripheral motor neuron that originates in the ventral horns of the gray matter of the spinal cord and terminates in skeletal muscles. Lesions of these neurons produce flaccid paralysis of the muscles they innervate. Synonym: lower motoneuronSee also: neuron
AcronymsSeeLMN
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更新时间:2024/12/23 12:16:50