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Related to Motoneurons: Motor nerves, somatic motor neuron


 (mō′tə-no͝or′ŏn′, -nyo͝or′-)
A motor neuron.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Anatomy) anatomy an efferent nerve cell; motor neuron
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

mo′tor neu`ron

or motoneuron

a nerve cell that conducts impulses to a muscle, gland, or other effector.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.motoneuron - a neuron conducting impulses outwards from the brain or spinal cordmotoneuron - a neuron conducting impulses outwards from the brain or spinal cord
nerve cell, neuron - a cell that is specialized to conduct nerve impulses
efferent, efferent nerve, motor nerve - a nerve that conveys impulses toward or to muscles or glands
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Motoneurons were identified by their position in the spinal cord (ventral horn, lamina IX), size (substantially larger than interneurons and glial cells), and presence of Nissl substance arranged in polygonal clumps.
(2007) Failed excitability of spinal motoneurons induced by prolonged running exercise.
(42) identified the role of central motor command of the trigeminal motoneurons innervating the jaw-closing muscles, afferent impulses from periodontal mechanoreceptors as well as muscle spindles in this facilitation.
Evidence for strong synaptic coupling between single tactile afferents from the sole of the foot and motoneurons supplying leg muscles.
(10) However, marked reciprocal Ia inhibition from the common peroneal nerve to the triceps surae motoneurons was observed in adult cerebral palsy (Fig.
The study, "The vulnerability of spinal motoneurons and soma size plasticity in a mouse model of amyotrophic lateral sclerosis," was published in The Journal of Physiology.
Nerve cells (motoneurons) and skeletal muscle cells (myoblasts) cultivated from human stem cells are plated on opposite sides of the membrane, creating a barrier that provides electrical and chemical isolation.
Androgens rescue avian embryonic lumbar spinal motoneurons from injury-induced but not naturally occurring cell death.
This technology has now been extended to include cardiomyocytes (Das et al., 2004; Natarajan et al., 2006, 2011), hippocampal neurons (Varghese et al., 2009), motoneurons (MNs) (Das et al., 2003, 2007a; Guo et al., 2010), sensory neurons (Guo et al., 2013; Rumsey et al., 2010), muscle (Das et al., 2006, 2007b, 2009; Varghese et al., 2009), neuromuscular junction formation (Chen et al., 2011; Guo et al., 2010; Smith et al., 2013), and a multi-organ system with functional readout (Oleaga et al., 2016).
The difference between the reaching and grasping (or lifting) components could be partially explained by direct and indirect motor pathways from the motor cortex to spinal motoneurons during control of the upper extremity.