exencephaly

例句：

1. 1. The child's cleft palate was caused bya congenital condition known asexencephaly.
   这个孩子的唇腭裂是由一种先天性条件引起的。
2. 2. Exencephaly is a rare genetic disorder thataffects the development of the skull and brain.
   脑裂是一种罕见的遗传病，影响颅骨和大脑的发展。
3. 3. Insome cases, exencephaly can lead to seriouscomplications during pregnancy and birth.
   在某些情况下，脑裂症可能导致怀孕和分娩期间的严重并发症。