Skip to Content


Pronunciation: ă-trē′tō

Definition: Lack of an opening.

[G. atrētos, imperforate fr. a-, not + trētos, perforated, fr. tetrainō, titrēmi, to bore through, to pierce.]

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.