Along the posterior part of the lateral margin of the carotid groove of the sphenoid bone, in the angle between the body and great wing, is a ridge of bone, called the lingula.

This article incorporates text in the public domain from page 148 of the 20th edition of Gray's Anatomy (1918)

• "Anatomy diagram: 34257.000-2". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2013-06-22.