ANTC47H3 Lecture Notes - External Occipital Protuberance, Supraorbital Foramen, Supraorbital Ridge

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26 Nov 2013
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ANTC47 Human & Primate Osteology
Bones and Structures of the Skull
1) Frontal
Zygomatic process
Superciliary arches (humans only)
Supraorbital notch
Supraorbital margin
Frontal crest
Sagittal sulcus
Metopic suture: on the frontal bone; mostly infants have this; rarely adults
do
2) Parietal (You must be able to identify Left and Right)
Sagittal sulcus: inside
Meningeal grooves: inside; looks like veins
Arachnoid Foveae
Transverse (sigmoid) sulcus: inside the skull
3) Temporal (You must be able to identify Left and Right)
Mastoid process
Zygomatic process
External auditory meatus
Squama (squamous portion)
Petrosal (petrous portion)
Mandibular fossa (glenoid fossa)
4) Occipital
Foramen magnum
External occipital protuberance
Occipital condyles
nuchal lines: near the foramen magnum
Transverse sulcus
Sagittal sulcus
Occipital crest (internal)
5) Sphenoid (looks like a butterfly)
Body
Greater wings
Sella turcica: square-shaped
6) Ethmoid
Cribriform plate: looks like cheese
Crista gala: inside cribiform plate
7) Palatine (You must be able to identify Left and Right)
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