sphenoidal lingula sphenoidal lingula 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. sphenoidal lingulasphenoid bone. upper surface. (lingula labeled at center right.)base of the skull. upper surface. (lingula not labeled, but sphenoid bone is visible in yellow, and lingula would be near foramen lacerum.)identifiersta98a02.1.05.013ta2597fma54757anatomical terms of bone