- The presence of openings or fenestrae in a part.
- Making openings in a dressing to allow inspection of the parts.
- In dentistry, a surgical perforation of the mucoperiosteum and alveolar process to expose the root tip of a tooth to permit drainage of tissue exudate.
- An operation to create an opening in the horizontal semicircular canal to improve hearing in otosclerosis.
© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.