met·en·ceph·a·lon /ˌmɛtˌɛnˈsɛfəˌlɑn, lən/
  後腦
  met·en·ceph·a·lon /ˌmɛtˌɛnˈsɛfəˌlɑn, lən/ 名詞
  Met·en·ceph·a·lon n.  Anat. The posterior part of the brain, including the medulla; the afterbrain. Sometimes abbreviated to meten.
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  metencephalon
       n : the part of the hindbrain that develops into the pons and
           the cerebellum
       [also: metencephala (pl)]