atresia

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Related to atresic: atresia, antiemetic, atretic

atresia

[ə′trē·zhə]
(medicine)
Imperforation or closure of a natural orifice or passage of the body.
References in periodicals archive ?
The number of oocytes increased during July to August 2005, with another marked reduction in September 2005, followed by gradual reduction until only atresic oocytes remained until December 2005.