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more about atresia
atresia |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Atresia \A*tre"si*a\, n. [NL., fr Gr ? not perforated.] (Med.) Absence or closure of a natural passage or channel of the body; imperforation. From WordNet r 1.6 [wn]: atresia n : an abnormal condition in which a normal opening or tube in the body (as the urethra) is closed or absent
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