Arterial (&unr_;), a. [Cf. F. artériel.] 1. Of or pertaining to an artery, or the arteries; as, arterial action; the arterial system.
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2. Of or pertaining to a main channel (resembling an artery), as a river, canal, or railroad.
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Arterial blood, blood which has been changed and vitalized (arterialized) during passage through the lungs.
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