Skip to Content

hypoglossal nerve [CN XII]

 

Definition: arises from an oblong nucleus in the medulla and emerges by several root filaments between the pyramid and the oliva via the preolivary groove; it passes through the hypoglossal canal, then courses downward and forward to supply the intrinsic and four of five extrinsic muscles of the tongue.

Synonym(s): nervus hypoglossus [CN XII]TA, twelfth cranial nerve [CN XII]

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