Bone landmarkHead and neck Inferior nuchal linelinea nuchalis inferior Explore in 3D (free)I already have an account Study entryDescriptionA less evident line, below the superior one.Source: cap. 8, «Cráneo» Other structures in this regionSquamous part of the frontal boneOrbital part of the frontal boneGlabellaSuperciliary archSupraorbital marginSupraorbital foramen (notch)Frontal eminenceFrontal crest