发生于大脑导水管的囊肿、起源于颅骨板障并延伸至颅内的巨大囊肿、以及椎管内硬膜下囊肿都有报道。
Cases of cerebral aqueduct cyst, gigantic cyst arising from the diploe of cranial bones with intracranial extension, and intradural spinal hydatid cysts have been reported.
不过，小脑扁桃体和中脑导水管周围灰质是大脑的两个古老原始的区域，可以追溯到亿万年前。
But the amygdala and the periaqueductal gray are ancient parts of the brain, dating back hundreds of millions of years.
不过，小脑扁桃体和中脑导水管周围灰质是大脑的两个古老原始的区域，可以追溯到亿万年前。
But the amygdala and the periaqueductal gray are ancient parts of the brain, dating back hundreds of millions of years.
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