| 单词 | motor unit |
| 释义 | > as lemmasmotor unit motor unit n. †(a) a neuron of the motor cortex (obsolete); (b) a single motor neuron and the muscle fibres which it innervates. ΘΚΠ the world > life > the body > nervous system > substance of nervous system > [noun] > nerve cell > motor unit motor unit1890 1890 W. B. Lewis Text-bk. Mental Dis. i. 68 The above statements will indicate the wealth of communicating branches which these ‘motor units’ possess. 1925 E. G. T. Liddell & C. S. Sherrington in Proc. Royal Soc. B. 97 511 Styling as ‘motor-unit’ the motoneurone-axon and its adjunct muscle-fibres. 1970 J. G. Chusid Correlative Neuroanat. & Functional Neurol. (ed. 14) ii. 76/2 The motor unit is made up of the anterior horn cell of the spinal cord and the muscle group it innervates. 1993 Dance Connection Summer 57/2 The exercises cause the muscles involved to lengthen as they work. This is called eccentric muscle work. Eccentric muscle work requires full firing of all the motor units within the muscle. < as lemmas |
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