ar·te·ri·al /ɑrˈtɪrɪəl/ 形容詞
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.
adj : of or involving or contained in the arteries; "arterial
disease"; "the arterial system"; "arterial blood"