atresia (adjective, atresic): congenital absence or closure of one of the openings or tubular organs of the body.

Dictionary of Sexology Project: Main Index

A*tre"si*a (#), n. [NL., fr. Gr. not perforated.] Med.

Absence or closure of a natural passage or channel of the body; imperforation.

 

© Webster 1913.

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