Skip to Content

ostium

Pronunciation: os'te-um, -a

Definition: A small opening, especially one of entrance into a hollow organ or canal.

[L. door, entrance, mouth]

See Also: orifice, opening, os, mouth2

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.

Hide