clearly visible during early development, also: the skeleton surrounding the inner ear or otic vesicle, composed of the prootic, opisthotic, exoccipital, and supraoccipital.

 
  • 也可指是围住内耳或耳小囊的骨骼,是由前耳骨、后耳骨、外枕骨与上枕骨所组成。
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