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axon

noun
🔊/ˈæksɒn/
🔊/ˈæksɑːn/
 (biology生物)
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  1. the long thin part of a nerve cell along which signals are sent to other cells轴突（神经细胞长的突起，将信号传递到其他细胞） compare dendriteTopics Biologyc2
    Word Originmid 19th cent. (denoting the body axis): from Greek axōn ‘axis’.