Anterior Aspects of the Skull

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Presentation transcript:

Anterior Aspects of the Skull Frontal bone Parietal bone Glabella Frontal squama of frontal bone Frontonasal suture Supraorbital foramen (notch) Nasal bone Supraorbital margin Sphenoid bone (greater wing) Superior orbital fissure Temporal bone Optic canal Ethmoid bone Inferior orbital fissure Lacrimal bone Zygomatic bone Middle nasal concha Perpendicular plate Infraorbital foramen Ethmoid bone Maxilla Inferior nasal concha Vomer bone Mandible Mental foramen (a) Mandibular symphysis Figure 7.2a

Posterior Aspects of the Skull Sagittal suture Parietal bone Sutural bone Lambdoid suture Occipital bone Superior nuchal line External occipital protuberance Mastoid process Inferior nuchal line Occipitomastoid suture External occipital crest Occipital condyle (b) Figure 7.2b

External Lateral Aspects of the Skull Coronal suture Frontal bone Sphenoid bone (greater wing) Parietal bone Ethmoid bone Temporal bone Lacrimal bone Lambdoid suture Lacrimal fossa Squamous suture Nasal bone Occipital bone Zygomatic process Zygomatic bone Occipitomastoid suture Maxilla External acoustic meatus Mastoid process Alveolar margins Styloid process Mandibular condyle Mandible Mandibular notch Mental foramen Mandibular ramus (a) Mandibular angle Coronoid process Figure 7.3a

Midsagittal Lateral Aspects of the Skull (b) Parietal bone Coronal suture Frontal bone Frontal sinus Sphenoid bone (greater wing) Crista galli Nasal bone Sphenoid sinus Ethmoid bone (perpendicular plate) Vomer bone Maxilla Mandible Alveolar margins Incisive fossa Lambdoid suture Occipital bone Occipitomastoid suture External occipital protuberance Internal acoustic meatus Sella turcica of sphenoid Pterygoid process of sphenoid Mandibular foramen Palatine Squamous Temporal maxilla Figure 7.3b

Inferior Portion of the Skull Maxilla (palatine process) Incisive fossa Medial palatine suture Hard palate Infraorbital foramen Palatine bone (horizontal plate) Maxilla Zygomatic bone Sphenoid bone (greater wing) Temporal bone (zygomatic process) Foramen ovale Vomer Foramen lacerum Mandibular fossa Carotid canal External acoustic meatus Styloid process Stylomastoid foramen Mastoid process Jugular foramen Temporal bone (petrous part) Occipital condyle Pharyngeal tubercle of basioccipital Inferior nuchal line Parietal bone Superior nuchal line External occipital crest External occipital protuberance Foramen magnum (a) Figure 7.4a

Inferior Portion of the Skull Olfactory foramina Frontal bone Anterior cranial fossa Cribriform plate Ethmoid bone Crista galli Lesser wing Sphenoid Optic canal Greater wing Anterior clinoid process Tuberculum sellae Foramen rotundum Hypophyseal fossa Foramen ovale Sella turcica Dorsum sellae Posterior clinoid process Foramen spinosum Middle cranial fossa Foramen lacerum Temporal bone (petrous part) Jugular foramen Hypoglossal canal Internal acoustic meatus Posterior cranial fossa Anterior cranial fossa Parietal bone Occipital bone Middle cranial fossa (b) Foramen magnum Posterior cranial fossa (c) Figure 7.4b