ar·te·ri·al /ɑrˈtɪriəl/
  (a.)動脈的,動脈狀的
  ar·te·ri·al /ɑrˈtɪrɪəl/ 形容詞
  動脈的
  Ar·te·ri·al a.
  1. Of or pertaining to an artery, or the arteries; as, arterial action; the arterial system.
  2. Of or pertaining to a main channel (resembling an artery), as a river, canal, or railroad.
  Arterial blood, blood which has been changed and vitalized (arterialized) during passage through the lungs.
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  arterial
       adj : of or involving or contained in the arteries; "arterial
             disease"; "the arterial system"; "arterial blood"