Skip to Content


Pronunciation: ji'rus, -ri

Definition: One of the prominent rounded elevations or convolutions that form the cerebral hemispheres, each consisting of an exposed superficial portion and a portion hidden from view in the wall and floor of the sulcus (q.v.).

[L. fr. G. gyros, circle]

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.