| Pronunciation: | | u'treezhu
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 WordNet Dictionary |
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| | Definition: | |
[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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ATRESIA is a 7 letter word that starts with A. |
| | See Also: | | abnormal condition, abnormalcy, abnormality |
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| Webster's 1913 Dictionary |
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| | Definition: | | \A*tre"si*a\, n. [NL., fr. Gr. ? not perforated.] (Med.)
Absence or closure of a natural passage or channel of the
body; imperforation.
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| Medical Dictionary |
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| | Definition: | | lack of a normal opening from the esophagus, intestines, or anus. |
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| Biology Dictionary |
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| | Definition: | | This is the congenital absence of or poor development of a body opening (e.g. a heart valve). |
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