释义 |
motoneuron noun[ C ] anatomy specializeduk /ˌməʊ.təˈnjʊə.rɒn/ us /ˌmoʊ.t̬əˈnʊr.ɑːn/ a nerve cell that sends messages to muscles or glands(= organs that produce chemical substances in the body): 运动神经元 This damage compromises the proper functioning of motoneurons that control tongue muscles. It is a neurodegenerative disease that causes progressive motoneuron degeneration. Striated muscle is innervated by motoneurons whose cell bodies lie in the spinal cord. A single motoneuron innervating one or more muscle fibres with similar functional properties constitutes a motor unit. The skeletal muscle is under the control of the somatic nervous system through innervation of muscle fibres by motoneurons. SMART Vocabulary: related words and phrases Cells actin anaphase anti-platelet assort axoplasm histochemistry histography homologous chromosomes infiltration intercellular nerve fibre neurofibril neurofibrillary neuroglia neuroglial tetrad thrombocyte thymocyte turgor unciliated
You can also find related words, phrases, and synonyms in the topics: The brain & nervous system
Synonym
motor neuron |