lower motor neuron

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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.
Farlex Partner Medical Dictionary © Farlex 2012

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
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

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 motoneuron
See also: neuron
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
It is a progressive disease attacking the upper and lower motor neurones leading to weakness and wasting of muscles, causing increased loss of mobility and difficulties with swallowing, breathing and speech.
Progressive Bulbar Palsy (PBP) affects about 25 percent of sufferers and also involves both the upper and lower motor neurones but is characterised by dysarthria and dysphagia, and predominantly affects older women.
* Motor Neurone Disease (MND) is a progressive neurodegenerative disease that attacks the upper and lower motor neurones. Degeneration leads to weakness and wasting of muscles, causing increasing loss of mobility in the limbs, and difficulties with speech, swallowing and breathing.
It is a progressive neurological condition that attacks the upper and lower motor neurones.
Motor neurone disease is a progressive neuro-degenerative disease that attacks the upper and lower motor neurones. Degeneration of the motor neurones leads to weakness and wasting of muscles, causing loss of mobility in the limbs and difficulties with speech, swallowing and breathing.

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