外側裂周圍 [ㄨㄞˋ ㄘㄜˋ ㄌㄧㄝˋ ㄓㄡ ㄨㄟˊ; wai4 ce4 lie4 zhou1 wei2] perisylvian (the part of the brain surrounding the lateral sulcus or Sylvian fissure), involved in speech ◄ ►