Squamous part of occipital bone Anatomy in 3D

The "Back of the Head" bone. This is the largest part of the back-skull; a "Basilar Skull Fracture" can spread into this squamous part, causing "Battle’s Sign" (bruising behind the ears).

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Related structures

Occipital Bone Ascending Part of Trapezius Muscle (Occipital Bone Insertion) Basilar part of occipital bone Lateral part of occipital bone Occipital Bone, Intrajugular Process Occipital Bone, Jugular Notch Occipital Bone, Mastoid Border Occipital Condyle