详细解释:【化】 内含子
英语解释：
名词 intron:
sequence of a eukaryotic gene's DNA that is not translated into a protein详细解释：
in.tron
n.（名词）A segment of a gene situated between axons that does not function in coding for protein synthesis.基因内区：位于对蛋白质合成指定的遗传密码不起作用的神经轴突之间的基因体节
来源：intragenic [occurring within a gene] intra- genic intragenic [发生于基因内部的] intra- genic-on -on