(三)神經(jīng)細(xì)胞移動(dòng)期的發(fā)生異常
兒科學(xué)

        在胎兒的第7周以后,上述的神經(jīng)芽細(xì)胞向側(cè)方移動(dòng),如這時(shí)發(fā)生細(xì)胞移動(dòng)的障礙就會(huì)形成所謂的移動(dòng)障礙(migrationdisorder),會(huì)發(fā)生以下畸形:(1)無(wú)腦性腦積水畸形(hydranencephaly)。(2)腦穿通畸形(congenitalporencephaly)。(3)無(wú)腦癥。廣義的移動(dòng)障礙    （共 313 字）     [閱讀本文] >>