motor neuron

Noun

Meaning

a neuron conducting impulses outwards from the brain or spinal cord

Synonyms

Hypernyms

Examples

Although for the simplest reflexes there are short neural paths from sensory neuron to motor neuron, there are also other nearby neurons that participate in the circuit and modulate the response. Source: Internet

Although a single EPSP was not enough to fire an action potential in the motor neuron, the sum of several EPSPs from multiple sensory neurons synapsing onto the motor neuron could cause the motor neuron to fire, thus contracting the quadriceps. Source: Internet

Anatomy and histology Diagram of a typical myelinated vertebrate motor neuron Neurons are highly specialized for the processing and transmission of cellular signals. Source: Internet

For example, release of the neurotransmitter acetylcholine at a synaptic contact between a motor neuron and a muscle cell induces rapid contraction of the muscle cell. Source: Internet

Damage to the nerve at lower motor neuron level may lead to fasciculations or atrophy of the muscles of the tongue. Source: Internet

However, because NMT mimics some symptoms of motor neuron disease (ALS) and other more severe diseases, which may be fatal, there can often be significant anxiety until a diagnosis is made. Source: Internet

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