motoneuron /mo·to·neu·ron/ (mōt″o-nldbomacr´on) motor neuron; a neuron having a motor function; an efferent neuron conveying motor impulses. 
motoneuron
)
Motoneuron shown as the efferent neuron in a three-neuron reflex arc.
lower motoneuron a peripheral neuron whose cell body lies in the ventral gray columns of the spinal cord and whose termination is in a skeletal muscle.
peripheral motoneuron in a reflex arc, a motoneuron that receives impulses from interneurons.
upper motoneuron a neuron in the cerebral cortex that conducts impulses from the motor cortex to a motor nucleus of one of the cerebral nerves or to a ventral gray column of the spinal cord.
mo·to·neu·ron (m  t -n r  n)n. A motor neuron. |
motoneuron
[mō′tōnoo͡r′on]
Etymology: L, movere, to move; Gk, neuron, nerve
a motor neuron. Its function is to produce muscle contractions.
How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
| ?Page tools | ||
|---|---|---|
|