Assembled by Brad Besson A Virtual Practice Practical Head and Neck Part One: Orbit, Skull, Face, Hannibal, Murdock, and B.A. Baracus Assembled by Brad Besson Images from http://ect.downstate.edu/courseware/haonline/toc.htm

5 Levator Palpebrae Superioris 1 Supraorbital Nerve 6 Superior Rectus 2 Supratrochlear Nerve 7 Frontal Nerve 3 Trochlear Nerve 4 Optic Nerve in Optic Canal 8 Lacrimal Nerve

9 Olfactory Nerve 10 Ophthalmic Artery 11 Internal Carotid Artery 12 Oculomotor Nerve

13 Trochlea 14 Superior Oblique Muscle 17 Short Ciliary Nerves 15 Optic Nerve 16 Abducens Nerve 18 Ciliary Ganglion

23 Ethmoid Bone – Lamina Papyracea 19 Supraorbital Foramen 24 Frontal Process of Maxilla 20 Frontal Bone – Orbital Surface 25 Nasal Bone 21 Sphenoid Bone – Greater Wing 22 Maxilla – Orbital Surface 26 Lacrimal Bone

31 Optic Canal 27 Sphenoid Bone – Lesser Wing 32 Anterior Ethmoidal Foramen 28 Superior Orbital Fissure 33 Posterior Ethmoidal Foramen 29 Inferior Orbital Fissure 30 Infraorbital Foramen 34 Infraorbital Groove

Medial Lateral 39 Levator Palpebrae Superioris 35 Superior Oblique 40 Superior Rectus 36 Medial Rectus 41 Optic Nerve 37 Inferior Rectus 38 Inferior Oblique 42 Lateral Rectus

47 Ethmoid Bone: Cribiform Plate 43 Crista Galli 48 Frontal Bone – Orbital Part 44 Foramen Ovale 49 Anterior Clinoid Process 45 Foramen Lacerum 46 Internal Occipital Protuberance 50 The Space Hypophyseal Fossa

55 Optic Canal 51 Maxilla – Alveolar Processes 56 Jugular Foramen 52 Foramen Spinosum 57 Groove for Superior Petrosal Sinus 53 Clivus 54 Groove for Transverse Sinus 58 Groove for Sigmoid Sinus

59 Orbicularis Oris Muscle 63 Buccal Branch Mandibular Branch of the facial nerve 60 Temporal Branch 64 61 Masseter Muscle 62 Cervical Branch 65 Zygomatic Branch

66 Angular Artery 67 Facial Vein 68 Facial Artery

69 Frontalis Portion of Occipitofrontalis Muscle 70 Be Specific Orbicularis Oculi – Orbital Part 72 Be Specific Orbicularis Oculi – Palpebral Part 71 Nerve Infraorbial Nerve – V2

74 Platysma Muscle 73 Nerve Mental Nerve – V3

75 Anterior Nasal Aperture 79 Nasion 76 Infraorbital Foramen 80 Angle of the Mandible 77 Mental Foramen 78 Mental Protuberance