| 单词 | motor point |
| 释义 | > as lemmasmotor point motor point n. Physiology and Medicine (a) a point in the motor cortex which, when stimulated electrically, produces the contraction of a specific voluntary muscle or group of muscles (now rare); (b) the point at which a motor nerve enters a muscle, over which an electric current applied to the skin will stimulate the muscle to contract. ΚΠ 1881 Science 2 175/1 I found the largest group of the largest cells in a place not yet indicated on any of the charts of the localizationists as an unquestionable motor point. 1890 J. S. Billings National Med. Dict. II. 171/2 Motor point, point at which a motor nerve enters a muscle, and over which an electrode is to be placed to effect contraction. 1931 Science 73 214/1 Through the investigations of Graham Brown and Sherrington it is known that cortical motor points do not yield fixed reactions. 1993 Men's Health July 65/1 To relieve pain, [acupuncture] needles are inserted into ‘motor points’, spots in the body where nerve enters muscle. 2001 Internal Med. 40 376 Motor point biopsies were performed from the biceps brachii muscles. < as lemmas |
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