Motor nerve

Motor nerve

Infobox Anatomy
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Caption = Motor nerve cell from ventral horn of medulla spinalis of rabbit. The angular and spindle-shaped Nissl bodies are well shown.


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Motor nerves allow the brain to stimulate muscle contraction. A motor nerve is an efferent nerve that exclusively contains the axons of somatic and branchial motoneurons, which innervate skeletal muscles (that ensure locomotion) and branchial muscles (that motorize the face and neck).

ee also

* Motor neuron
* Sensory nerves
* Efferent nerve

External links

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Look at other dictionaries:

  • motor nerve — noun a nerve that conveys impulses toward or to muscles or glands • Syn: ↑efferent nerve, ↑efferent • Derivationally related forms: ↑efferent (for: ↑efferent) • Hypernyms: ↑ …   Useful english dictionary

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  • Motor unit number estimation — (MUNE) is a technique that uses electromyography to estimate the number of motor units in a muscle. Principles A motor unit consists of one alpha motoneuron and all the muscle fibres it innervates. Muscles differ in the number of motor units that …   Wikipedia

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