Skip to Content


Pronunciation: nu'mo-sef'a-lus

Definition: Presence of air or gas within the cranial cavity.

[G. pneuma, air, + kephale, head]

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.