Facial AnatomyFacial Anatomy

MandibleMandible

BodyBody RamusRamus Angle of MandibleAngle of Mandible Mental Mental

ProtuberanceProtuberance Mental ForamenMental Foramen CondyleCondyle Coronoid ProcessCoronoid Process

Temporomandibular Joint (TMJ)Temporomandibular Joint (TMJ)

Mandibular Mandibular condylar processcondylar process

Mandibular fossaMandibular fossa Articular diskArticular disk Movement of TMJMovement of TMJ

Outer Ear LandmarksOuter Ear LandmarksRH = root of the helixRH = root of the helixAH = anterior portion of the helixAH = anterior portion of the helixSH = superior portion of the helix SH = superior portion of the helix PH = posterior portion of the PH = posterior portion of the

helixhelixB = body of the antihelixB = body of the antihelixIC = inferior crus of the antihelixIC = inferior crus of the antihelixSC = superior crus of the SC = superior crus of the

antihelixantihelixCF = conchal fossaCF = conchal fossaL = lobuleL = lobuleAT = antitragusAT = antitragusT = tragusT = tragusITN = intertragic notchITN = intertragic notchSF = scaphoid fossaSF = scaphoid fossaTF = triangular fossaTF = triangular fossa

Outer EarOuter Ear

External Acoustic External Acoustic MeatusMeatus

Middle EarMiddle Ear

Tympanic Tympanic MembraneMembrane

3 Bones (Auditory 3 Bones (Auditory Ossicles)Ossicles)– MalleusMalleus– IncusIncus– StapesStapes

Middle EarMiddle Ear Tympanic Tympanic

MembraneMembrane 3 Bones (Auditory 3 Bones (Auditory

Ossicles)Ossicles)– MalleusMalleus– IncusIncus– StapesStapes

Inner EarInner Ear

Osseous LabyrinthOsseous Labyrinth– Bone portionBone portion

Mebranous LabyrinthMebranous Labyrinth– Membranous ducts and Membranous ducts and

sacssacs Separated in anterior and Separated in anterior and

posterior portionposterior portion– AnteriorAnterior

CochleaCochlea

– PosteriorPosterior VestibuleVestibule Semicircular canalsSemicircular canals

Inner EarInner Ear

CochleaCochlea– Concerned w/ Concerned w/

hearinghearing VestibuleVestibule

– Involved w/ balanceInvolved w/ balance Semicircular Semicircular

CanalsCanals– Involved with head Involved with head

movementmovement

Inner EarInner Ear

CochleaCochlea– Concerned w/ Concerned w/

hearinghearing VestibuleVestibule

– Involved w/ balanceInvolved w/ balance Semicircular Semicircular

CanalsCanals– Involved with head Involved with head

movementmovement

Inner EarInner Ear

CochleaCochlea– Concerned w/ Concerned w/

hearinghearing VestibuleVestibule

– Involved w/ balanceInvolved w/ balance Semicircular Semicircular

CanalsCanals– Involved with head Involved with head

movementmovement

NoseNose

External NoseExternal Nose– Dorsum NasiDorsum Nasi– Ala (Wing)Ala (Wing)– Nasal BonesNasal Bones– CartilageCartilage– Nasal CavityNasal Cavity– Nasal SeptumNasal Septum

NoseNose

Nasal BonesNasal Bones CartilageCartilage Nasal cavityNasal cavity Nasal SeptumNasal Septum Paranasal SinusesParanasal Sinuses

NoseNose

Nasal BonesNasal Bones CartilageCartilage Nasal cavityNasal cavity Nasal SeptumNasal Septum Paranasal SinusesParanasal Sinuses

NoseNose

Nasal BonesNasal Bones CartilageCartilage Nasal cavityNasal cavity Nasal SeptumNasal Septum Paranasal SinusesParanasal Sinuses

NoseNose

Nasal BonesNasal Bones CartilageCartilage Nasal cavityNasal cavity Nasal SeptumNasal Septum Paranasal SinusesParanasal Sinuses

NoseNose

Nasal BonesNasal Bones CartilageCartilage Nasal cavityNasal cavity Nasal SeptumNasal Septum Paranasal SinusesParanasal Sinuses

Throat Throat

LarynxLarynx Thyroid CartilageThyroid Cartilage Thyroid GlandThyroid Gland Cricoid CartilageCricoid Cartilage TracheaTrachea Hyoid BoneHyoid Bone Carotid PulseCarotid Pulse Parotid GlandParotid Gland Lymph Node ChainLymph Node Chain

Oral CavityOral Cavity

2 parts2 parts– VestibuleVestibule– Oral Cavity ProperOral Cavity Proper

TeethTeeth– GumsGums– 32 permanent32 permanent

Oral CavityOral Cavity

2 parts2 parts– VestibuleVestibule– Oral Cavity ProperOral Cavity Proper

TeethTeeth– GumsGums– 32 permanent 32 permanent – Basic StructureBasic Structure

CrownCrown RootRoot NeckNeck Dentine Pulp ChamberDentine Pulp Chamber

Basic Jaw MusclesBasic Jaw Muscles

MasseterMasseter TemporalisTemporalis PterygoidPterygoid

EyeEye Eye OrbitEye Orbit

– 1. Superior orbital fissure 1. Superior orbital fissure – 2. Inferior orbital fissure 2. Inferior orbital fissure – 3. Optic canal 3. Optic canal – 4. Infraorbital foramen 4. Infraorbital foramen – 5. Lacrimal crests 5. Lacrimal crests – 6. Lacrimal groove 6. Lacrimal groove – 7. Zygomaticomaxillary 7. Zygomaticomaxillary

suture suture – 8. Zygomaticofrontal 8. Zygomaticofrontal

suture suture – 9. Orbital plate of the 9. Orbital plate of the

ethmoid bone ethmoid bone – Medial WallMedial Wall– Lateral WallLateral Wall– Inferior WallInferior Wall– Superior WallSuperior Wall

Medial wall

Lateral Wall

Inferior Wall

Superior Wall

EyeEye

Eye LidsEye Lids– CanthiCanthi– 5 layers of tissue5 layers of tissue

Outer skin layerOuter skin layer Thin CTThin CT Skeletal MuscleSkeletal Muscle Tarsal PlateTarsal Plate CnjunctivaCnjunctiva

EyeEye

Lacrimal ApparatusLacrimal Apparatus– Lacrimal GlandLacrimal Gland– Lacrimal CanaliculiLacrimal Canaliculi– PunctumPunctum– Lacrimal sacLacrimal sac– Nasolacrimal ductNasolacrimal duct

EyeEye

6 Extrinsic Muscles 6 Extrinsic Muscles – Superior, Inferior, Superior, Inferior,

Medial and Lateral Medial and Lateral RectusRectus

– Superior and Superior and Inferior Oblique Inferior Oblique

EyeEye

Eye BallEye Ball– 3 layers3 layers

Fibrous TunicFibrous Tunic Vascular TunicVascular Tunic Nervous TunicNervous Tunic

– retinaretina

Fibrous

Vascular

EyeEye

Fibrous TunicFibrous Tunic– ScleraSclera– CorneaCornea

EyeEye Vascular TunicVascular Tunic

– Short Ciliary Short Ciliary ArteriesArteries

– Ciliary BodyCiliary Body– IrisIris

EyeEye

Nervous Tunic Nervous Tunic (Retina)(Retina)– Pigmented retinaPigmented retina– Sensory retinaSensory retina– Ophthalmoscope Ophthalmoscope

EvalEval Maculae Lutea Maculae Lutea

– Yellow spotYellow spot Fovea CentralisFovea Centralis Optic DiskOptic Disk

– White spotWhite spot

EyeEye

Eye CompartmentsEye Compartments– ChambersChambers

AnteriorAnterior PosteriorPosterior

EyeEye

LensLens