punctum
  斑點; 刻點
  punc·tum /ˈpəŋ(k)təm/ 名詞
  斑點,刻點
  Punc·tum n.  A point.
  Punctum cæcum. 
  Punctum proximum, near point. See under Point.
  Punctum remotum, far point. See under Point.
  Punctum vegetationis 
  ◄ ►
  punctum
       n : (anatomy) a point or small area