Hypertext Webster Gateway: "Atrial"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Atrial \A"tri*al\, a.
Of or pertaining to an atrium.
From WordNet (r) 1.7 (wn)
atrial
adj : (anatomy) of or relating to a cavity or chamber in the body
(especially one of the upper chambers of the heart)
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