| 单词 | motor root |
| 释义 | > as lemmasmotor root motor root n. the ventral root of a spinal nerve, containing axons of motor neurons; (also) any of several branches of cranial nerves consisting of motor fibres. ΘΚΠ the world > life > the body > nervous system > nerve > parts of nerves > [noun] > root motor root1829 nerve root1853 1829 Philos. Trans. (Royal Soc.) 119 325 The connection between the motor root and the superior maxillary nerve proved to be only by cellular texture. 1840 E. Wilson Anatomist's Vade Mecum viii. 387 There are thirty-one pairs of spinal nerves, each arising by two roots, an anterior or motor root, and a posterior or sensitive root. 1898 B. P. Colton Physiol. iii. 40 The dorsal root is often called the Sensory root, and the ventral the Motor root. 1973 Gray's Anat. (ed. 35) 1002/2 The motor nucleus of the trigeminal nerve gives rise to the fibres of the motor root. < as lemmas |
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