核黄疸系高胆红素血症引起,主要为间接胆红素沉积于脑细胞中所致的神经系统综合征。可在出生时或出生后不久出现。凡能引起胆红素生成过多如新生儿过度溶血,间接胆红素增多,超出肝脏将间接胆红素转化为直接胆红素的能力时,就产生高胆红素血症。间接胆红素具有脂溶性和亲脂性,当 Nuclear jaundice is caused by hyperbilirubinemia, mainly caused by indirect bilirubin deposition in brain cells in the nervous system syndrome. It can occur at birth or shortly after birth. Where can lead to excessive production of bilirubin, such as neonatal over-hemolysis, indirect bilirubin, beyond the liver will be converted to direct bilirubin direct bilirubin capacity, it produces hyperbilirubinemia. Indirect bilirubin with fat-soluble and lipophilic, when