Head and Neck, MMED Anatomy, My Class notes, SR1
Head and Neck, MMED Anatomy, My Class notes, SR1 THE SKULL AND FACIAL BONES v THE SKULL VAULT Ø Bregma Ø Lambda Ø Pterion § Provides a surface marking for the anterior branch of the middle meningeal artery on lateral skull radiograph v THE SKULL BASE v INDIVIDUAL BONES OF THE SKULL BASE Ø Sella turcica or pituitary fossa Ø Tuberculum sella Ø Sulcus chiasmaticus Ø Anterior clinoid process Ø Dorsum Sellae § Posterior clinoid process § Lamina dura Ø Temporal Bone § Squamous part § Petrous part § Mastoid part § Styloid process Ø Zygomatic process Ø Foramen magnum v CRANIAL FOSSAE v FORAMINA OF THE SKULL BASE Ø Optic canals § The optic nerve and ophthalmic arteries § The optic foramen view Ø Superior orbital fissure § CN V1, III, IV, VI and the superior orbital vein and the muddle meningeal artery § Occipitofrontal view Ø Foramen rotundum § V2 – maxillary division of the fifth cranial nerve § Occipitofrontal view at 20-25 deg