Bones of the Skull. Frontal Forehead Superior eye orbits Frontal sinus Inferior connection...
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Transcript of Bones of the Skull. Frontal Forehead Superior eye orbits Frontal sinus Inferior connection...
Bones of the Skull
Frontal
• Forehead
• Superior eye orbits
• Frontal sinus
• Inferior connection– Zygomatic process– Temporal bone
Parietal
• Paired bones
• Anterior – Frontal– Coronal Suture
• Middle – Sagittal Suture
• Inferior – Temporal
• Posterior – Occipital– Lambdoid Suture
Temporal
• Paired bones
• Articulates with:– Zygomatic process– Parietal bones– Mandible
• Processes:– Mastoid– Styloid
Occipital
• Foramen Magnum
• Occipital Condyles
Sphenoid
• Greater Wing - Foramen Rotundum– Cranial Nerve V
• Lesser Wing – optic foramen– CN II foramen passage
• Sphenoid sinus
Ethmoid
• Mid-Sagittal
• Cribriform Plates – Cranial Nerve I
Lacrimal
• Smallest facial bone
• Medial wall of the eye orbit
Nasal
• Bridge of the nose
• Articulates with:– Mandible
Zygomatic
• Cheek bones
• Processes:– Frontal– Marginal– Temporal– Maxillary
Maxillae
• Upper Jaw – Alveolar Process– Upper teeth
• Inferior Eye Orbit
• Maxillary Sinus
• Zygomatic Process
• Palatine Portion– Anterior portion of the hard palate
Palatine
• Posterior ½ of the hard palate
Mandible
• Lower Jaw
• Alveolar process – teeth
• Articulates with:– Temporal (TMJ)– Maxillae
Vomer
• Forms part of the nasal septum
• Articulates with:– Maxillae– Palatines– Ethmoid– Sphenoid