Library / English Dictionary

MOTOR NEURON

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A neuron conducting impulses outwards from the brain or spinal cord

Synonyms:

efferent neuron; motoneuron; motor nerve fiber; motor neuron

Classified under:

Nouns denoting body parts

Hypernyms ("motor neuron" is a kind of...):

nerve cell; neuron (a cell that is specialized to conduct nerve impulses)

Holonyms ("motor neuron" is a part of...):

efferent; efferent nerve; motor nerve (a nerve that conveys impulses toward or to muscles or glands)

Credits

 Context examples: 

Motor neurons which activate the contractile regions of intrafusal muscle fibers, thus adjusting the sensitivity of the muscle spindles to stretch.

(Gamma Motor Neuron, NLM, Medical Subject Headings)

The proprioceptive sensory neuron of a Golgi tendon organ, projects to the motor neurons located within the ventral horn of the spinal cord, where the inhibition occurs.

(Golgi Tendon Organ, NCI Thesaurus)

The hallmark of this disease is the selective death of motor neurons in the brain and spinal cord, leading to paralysis of voluntary muscles.

(Amyotrophic Lateral Sclerosis Pathway, NCI Thesaurus/KEGG)

Motor neurons in the anterior (ventral) horn of the spinal cord which project to skeletal muscles.

(Anterior Horn Cell, NLM, Medical Subject Headings)

Moreover, while normal flies create more of these connections when their motor neurons are more active, flies without the Arc gene failed to do so.

(Memory gene goes viral, National Institutes of Health)

Motor neuron diseases are sometimes inherited.

(Motor neuron disease, NCI Dictionary)

This allele, which encodes motor neuron and pancreas homeobox protein 1, is involved in transcriptional regulation.

(MNX1 wt Allele, NCI Thesaurus)

This allele, which encodes glial cell line-derived neurotrophic factor protein, is involved in both the survival and differentiation of dopaminergic neurons and in apoptotic motor neuron protection induced by axotomy.

(GDNF wt Allele, NCI Thesaurus)

In a new study, the researchers reveal a new generation of two-tailed bots powered by skeletal muscle tissue stimulated by on-board motor neurons.

(Researchers build microscopic biohybrid robots propelled by muscles, nerves, National Science Foundation)

However, it primarily acts at the brain stem to reduce tonic somatic motor activity, influencing both gamma and alpha motor neurons.

(Cyclobenzaprine Hydrochloride, NCI Thesaurus)