Australopithecus had an apish cranium.

南方古有像无尾颅。

Orbital meningocele is a rare congenital anomaly with cystic herniation of meninges caused by a bony defect of the cranio-orbital bone.

摘要眼窝脑膜膨出是种罕见先天性异常，其成因为颅或眼窝骨损使得脑脑从损处呈囊状膨出。