n.發(fā)育不全
Cerebellar hypoplasia is not a sonographic feature of isolated agenesis of the corpus callosum. 小腦發(fā)育不全不是單獨(dú)胼胝體發(fā)育不全的超聲特征。
n.真正世代交替
進(jìn)化,再生,前進(jìn)演化
n.退化
n.巖化作用