atresia

(redirected from atresia ani)
Also found in: Dictionary, Thesaurus, Medical.

atresia

[ə′trē·zhə]
(medicine)
Imperforation or closure of a natural orifice or passage of the body.
References in periodicals archive ?
In case of congenital recto-vaginal fistula with Atresia ani, surgical correction was successful (Fig.
Congenital Recto Vaginal Fistula with Atresia Ani in a Heifer- A Case Report.
Ewe was diagnosed as atresia ani and rectovaginal fistula.
Atresia ani is associated with chromosomal abnormalitis.
Hence, from history and clinical observation including absence of anal opening the case diagnosed as an atresia ani (Fig.