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30 Cards in this Set
- Front
- Back
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contents of Optic canal
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Optic nerve (CN II)
Ophthalmic artery |
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contents of Superior orbital fissure
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Oculomotor nerve (CN III)
Trochlear nerve (CN IV) Lacrimal, frontal and nasociliary branches of ophthalmic nerve (CN V1) Abducent nerve (CN VI) Superior ophthalmic vein |
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contents of Foramen rotundum
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Maxillary nerve (CN V2)
|
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contents of Foramen ovale
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Mandibular nerve (CN V3)
Accessory meningeal artery Lesser petrosal nerve |
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contents of Foramen spinosum
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Middle meningeal artery and vein
Meningeal branch of mandibular nerve |
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contents of Carotid canal
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Internal carotid artery with internal carotid nerve plexus
|
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contents of Foramen lacerum
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n vivo cartilage filled
greater petrosal nerve (passes horizontally across foramen lacerum and traverses the cartilage) |
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contents of Internal acoustic meatus
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Facial nerve (CN VII)
Vestibulocochlear nerve (CN VIII) Labyrinthine artery |
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contents of Jugular foramen
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Inferior petrosal sinus
Glossopharyngeal nerve (CN IX) Vagus nerve (CN X) Accessory nerve (CN XI) Sigmoid sinus Posterior meningeal artery |
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contents of Hypoglossal canal
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Hypoglossal nerve (XII)
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contents of Foramen Magnum
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Medulla oblongata
Meninges Vertebral arteries Meningeal branches of vertebral arteries Spinal roots of accessory nerves |
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the vertebral arteries join to become what artery in the brain?
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Basilar a.
|
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year fontanelles close
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by year 2
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year metopic suture ossifies
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by year 6
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year mandibular symphysis closes
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by year 2
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location of remnant of metopic suture
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superior to naison
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fracture of pterion leads to what symptoms? how long before they are displayed after insult?
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compression of oculomotor nerve -dilated pupil
limb weakness deterioration of cardiovascular and respiratory function occurs hours after injury |
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what is caused by a fracture of pterion? what artery is most affected
|
epidural (extradural) hematoma - lens shaped
anterior medial meningeal a. |
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what is the suture defined by the pterion?
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sphenoparietal suture
thinnest part of the calvaria |
|
Landmarks
Lambda |
junction of lambdoid and sagittal sutures
|
|
Landmark
Bregma |
junction of the sagittal and coronal sutures
|
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Landmark
Pterion |
junction of frontal, parietal, temporal bones, and greater wing
of the sphenoid on the lateral aspect of the skull |
|
Landmark
Nasion |
intersection of frontal and 2 nasal bones
|
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Vertex
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highest point of the superior aspect of skull
|
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Glabella
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prominence of frontal bone above root of nose (depression
between the supercilliary arches) |
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joints of the cranium are what type of joint?
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Fibrous suture joints
hinge - synovial Temporomandibular joint |
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divisions of the cranium
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neurocranium
viscerocranium |
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bones making up neurocranium
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8 bones: frontal, 2 parietal, 2 temporal, occipital, sphenoid, and ethmoid
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bones of viscerocranium
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2 lacrimal, 2 nasal, 2 maxilla, 2 zygomatic,
2 palatine, 2 inferior nasal conchae, mandible, and vomer |
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what are the origin of flat bones of the cranium?
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neural crest derived
becomes head mesenchyme |
