Motor neuron: a nerve cell in the spinal cord, rhombencephalon, or mesencephalon characterized by having an axon that leaves the central nervous system to establish a functional connection with an effector (muscle or glandular) tissue; somatic motor neuron directly synapse with striated muscle fibers by motor endplates; visceral motor neuron or autonomic motor neuron (preganglionic m. neurons), by contrast, innervate smooth muscle fibers or glands only by the intermediary of a second, peripheral, neuron (postganglionic m. neuron) located in an autonomic, or visceral motor, ganglion.motor endplate, autonomic (visceral motor) division of nervous system. SYN: anterior horn cell, motoneuron.
Source: Stedman's Medical Spellchecker, © 2006 Lippincott Williams & Wilkins. All rights reserved.
Motor neuron: efferent neurons which activate muscle cells.
Source: CRISP
Motor neuron: Neurons which activate muscle cells.
Source: MeSH 2007
These medical condition or symptom topics may be relevant to medical information for Motor neuron:
Source - MeSH 2007
Source - MeSH 2007
Source - MeSH 2007
Source - MeSH 2007
Source - CRISP
Source: CRISP
The following list attempts to classify Motor neuron into categories where each line is subset of the next.
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