Read Edit View history 外显子 wàixiǎnzǐ exon Origin Definitions Defs Strokes Stroke Words Sentences Sents Senses Add sense 外显子/ 外顯子 wàixiǎnzǐ exon noun · (genetics) an exon 该基因由数个外显子和内含子组成。 Edit Delete References Add reference No references for this word.