| 单词 | motor neuron |
| 释义 | > as lemmasmotor neuron motor neuron n. a neuron of the central nervous system that (directly or indirectly) innervates a muscle or other effector; esp. (more fully somatic motor neuron) one that directly innervates a muscle. ΘΚΠ the world > life > the body > nervous system > substance of nervous system > [noun] > nerve cell > types of nerve vesicle1839 brain cell1848 stellate cell1870 Purkinje cell1872 neuroblast1878 touch cell1878 Golgi('s) cell1892 memory cell1892 astrocyte1896 astroblast1897 motor neuron1897 cytochrome1898 stichochrome1899 monaxon1900 basket cell1901 relay neuron1903 internuncial neuron1906 sheath cell1906 motoneuron1908 adjustor1909 satellite1912 microglia1924 oligodendroglia1924 sympathicoblast1927 pituicyte1930 oligodendrocyte1932 sympathoblast1934 sympathogonia1934 interneuron1938 Renshaw cell1954 1897 C. S. Sherrington in Proc. Royal Soc. 61 221 The question of the independent excitability of the motor neuron. 1924 R. M. Ogden tr. K. Koffka Growth of Mind iii. 69 Always beginning with a sensory neurone and ending with a motor neurone, this apparatus is called a reflex-arc. 1949 Science 22 July 97/2 Myotactic reflexes..are considered to be effected by the incoming afferent impulses exciting the somatic motor neurons directly without the intervention of interneurons. 1994 Time 28 Mar. 55/1 Dr. Halstead, who uses a motorized scooter instead of walking long distances, calls this ‘babying the motor neurons’. < as lemmas |
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