The anteroposterior diameter of the foramen magnum is unusually large in this skull. The view of the occipital bone (41-2) demonstrates the more common shape of this opening.
Zygomaticomaxillary suture
Mandible
Greater palatine foramen
Zygomatic arch
Posterior border of vomer bone
Foramen ovale
Foramen spinosum
Petrosal part of temporal bone
Styloid process
External acoustic meatus
Stylomastoid foramen
Mastoid process
Occipitomastoid suture
Nasal bone
Infraorbital foramen
Body of maxilla
Median palatine suture & Palatine process of maxilla
Horizontal plate & Sphenoid.process palatine bone
Coronoid process
Pterygoid hamulus
Lateral plate of pterygoid process
Medial plate of pterygoid process
Body sphenoid bone
Foramen lacerum (lingula of sphenoid bone seen crossing this opening)