How To Use Motoneuron In A Sentence
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However, in parapodial motoneurons, the action potential is initiated at or near the soma and travels to the axon terminal.
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In the spinal column motoneuron denaturates in the mouse model, this can improve its mobility.
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The basic functional unit of muscle is the motor unit, which consists of a motoneuron and the muscle fibers that it innervates.
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The seizure activity in a particular muscle corresponds to activity in the motoneuron that innervates it.
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An improved understanding of the receptor subtypes involved in state-dependent control of upper airway motoneurons may help establish more effective treatments.
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This includes opiate-induced depression of hypoglossal motoneuron (XII MN) output, which activates the genioglossal muscle of the tongue and helps maintain an open airspace for effective breathing
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Objective To study the protective effects of Schwann cell derived neurotrophic factor (SDNF) on motoneurons of spinal anterior horn from spinal root avulsion induced cell death.
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Lin DM, Goodman CS (1994) Ectopic and increased expression of Fasciclin II alters motoneuron growth cone guidance.
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But because hypoglossal motoneurons and motor axons project to any one of the eight tongue muscles, it is unclear to which of these muscles the motoneuronal activities corresponded.
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It has been shown that activity in the muscle spindles is influenced, via gamma motoneurons, by joint and ligament receptors.
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We then examined whether ampakines counteract opioid-induced depression of XII motoneuron activity.
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Impact of acute inflammation on spinal motoneuron synaptic plasticity following ventral root avulsion
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In most animals, including cats, rats and some monkeys, the brain's primary motor cortex controls all movements indirectly through the circuitry of the spinal cord, said researcher Peter Strick, professor of neurobiology at the University of Pittsburgh School of Medicine and Pittsburgh's Veterans Affairs Medical Center. great apes that use tools, another area of the motor cortex developed and is now home to a special set of cortico-motoneuronal (CM) cells, Strick explained.
Livescience.com
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Because most medullary raphe neurons that project to motoneurons are inhibited by vagal afferents.
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The basic functional unit of muscle is the motor unit, which consists of a motoneuron and the muscle fibers that it innervates.
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The morphology of this cell is identical to a well-studied neuron in goldfish that is monosynaptically activated by the Mauthner cell and in turn excites spinal motoneurons.
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Therefore the objectives were to determine whether the depressant actions of μ-opioid receptor activation on inspiratory activity includes a direct inhibitory action at the inspiratory premotoneuron to XII motoneuron synapse, and to identify underlying mechanism (s).
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Muscle paralysis after spinal cord injury is partly caused by a loss of brainstem-derived serotonin (5-HT), which normally maintains motoneuron excitability by regulating crucial persistent calcium currents.
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Thus: a given inhibitory tetanus exerted on a certain set of motoneurones fails to prevent their excitation in response to strong stimulation of a given afferent nerve; but when the stimulation of the excitatory afferent is weaker the given standard inhibitory tetanus does prevent the response of the motor neurones to the excitatory stimulation.
Sir Charles Sherrington - Nobel Lecture
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This method of organization has the added advantage of substantially linearizing the mechanical output of the muscle when expressed as a function of the input to the motoneuron pool.
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This technique rapidly became a standard way of testing the integrity of the nerve pathway from the motor area of the cerebral cortex to the motoneurons in the spinal cord.
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These include not only reciprocal inhibitory connections between the interneuron groups, but also monosynaptic inputs to swim motoneurons.
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Primary motoneuron growth cones are initially huge and expansive, so the blue dancers should be outdoing the Mauthner cell as they move.
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The activity in each muscle fiber corresponds to seizure activity in the motoneuron that innervates it.
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One in each group represents the primary motoneuron, and is dressed in brilliant blue.
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First was the relatively simple activation of motoneuron fates by sonic hedgehog from the notochord and floorplate and retinoic acid from the paraxial mesoderm.
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The animals were sacrificed and their lumbar spinal cords processed for immunohistochemistry, transmission electron microscopy, and motoneuron counting.
BioMed Central - Latest articles
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The basic functional unit of muscle is the motor unit, which consists of a motoneuron and the muscle fibers that it innervates.
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Motor units comprise a motoneuron and the muscle fibers it innervates.
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We first tested fluorescent indicators by injecting them into muscle to backfill motoneurons in spinal cord.
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Amyotrophic lateral sclerosis ( ALS ) is a fatal neurodegenerative disorder characterized by progressive loss of motoneurons.
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The results show that the motoneurons of the musculus retractor bulbi in the goat are mainly located in the accessory abducens nucleus and the sensory neurons only in the trigeminal ganglion.
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Hypoglossal motoneurons, whose activity determines the position, shape, and stiffness of the tongue, are the principle focus for basic research aimed at understanding control of upper airway function.
