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Cards In This Set
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The cranium is divided into two major areas, what are these areas called?
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1. The craniul vault- calvaria
2. The cranial floor- base
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The skull is composed of two sets of bones. These are called?
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1. The cranium
2. the facial bones
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The anterior, middle, and posterior cranial fossae are all three distinct cavities of what?
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The cranial floor or base.
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Which bone covers the anterior portion of the cranium, forms the forehead, superior part of the orbit, and floor of anterior cranial fossa?
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The Frontal Bone
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An opening above each orbit allowing blood vessels and nerves to pass.
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Supraorbital foramen
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The smooth area between the eyes?
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Glabella
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Posterolateral to the frontal bone, forming sides of cranium.
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Parietal Bone
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Midline articulation point of the two parietal bones.
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Sagittal suture
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Point of articulation of parietals with frontal bone.
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Coronal suture
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Inferior to the parietal bones on lateral skull.
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Temporal bone
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The temporal bone can be divided into four major parts. List these parts.
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1. squamous region
2. tympanic region
3. mastoid region
4. petrous region
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Point of articulation of the temporal bone with the parietal bone.
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Squamous suture
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A bridgelike projection joining the zygomatic bone anteriorly. Together these 2 bones form the zygomatic arch.
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Zygomatic process
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Rounded depression on the inferior surface of the zygomatic process, forms the socket for the mandibular condyle, the point where the mandible (lower jaw) joins the cranium.
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Mandibular fossa
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Canal leading ot eardrum and middle ear.
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External auditory meatus
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