OSteology of the skull.txt

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Author:
c_sopkovich
ID:
37205
Filename:
OSteology of the skull.txt
Updated:
2010-09-25 11:02:15
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Skull Osteology
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Skull Osteology
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  1. The pterion is the suture between what two bones? What artery runs under it?
    Sphenoparietal suture, anterior branch of the middle meningeal.
  2. TMJ?
    Temporal mandibular joint
  3. Two divisions of the cranium?
    Neurcranium, viscerocranium
  4. Bones of the neurocranium?
    Frontal, Ethmoid, Sphinoid, occipital, 2x parietal, 2x temporal
  5. Calveria?
    Skull cap
  6. Origin of flat bones of the skull?
    neural crest derived mesenchyme, intermembranous ossification.
  7. Bones of the cranial base?
    irregular, endochondral ossification.
  8. Bones of the viscerocranium?
    2x lacrimal, 2x nasal, 2x maxillae, 2x zygomatic, 2x platine 2x Inferior nasal chochae. 1x mandibe and vomar
  9. Layers of the skull?
    skin-connective tissue - aponerosis - Loose CT - pericranium - Diploe parietal bones - 3 layers of matter.
  10. Bone layers of the calveria?
    inner and outer tables, middle Diploe layers
  11. Contents of the Diploe?
    dipole veins that drain to the cranial dural sinuses via emissary veins. Red marrow in children.
  12. Name of nasal cavity?
    piriform
  13. Nasal septum?
    vomit and ethmoid bone.
  14. Superior and middle chonchae are part of what bone?
    Ethmoid bone.
  15. Meninges?
    Membranes that cover the CNS
  16. Foramen of the face?
    • 1) Supa orbital - supraorbital nerve and artery.
    • 2) Zygomaticofascial - zygomaticofascial nerve
    • 3) Infraorbital foramen - infraorbital foramen - infraorbital nerve and artery
    • 4) Mental foramen - Mental nerve and artery
  17. Holes in eye socket?
    • 1) optical canal
    • 2) superior and inferior orbital fissures
  18. 5 regions of the temporal bone?
    squamous, mastoid process, external auditory meatus, styloid process, zygomatic process
  19. Crainiosynostosis?
    Premature closure of cranial sutures.
  20. Sutures of the skull?
    • -coronal
    • -spenoparietal
    • - squamous
    • - parietomastoid
    • - Lambdoid
    • - occipitomastoid
    • - sagittal
  21. Superior and inferior temporal lines?
    parietal bones
  22. Superior and inferior nuchal lines?
    occipital bone
  23. Landmarks?
    • -pterion
    • -Bregma - coronal and sagital sutures
    • - Lambda
    • - Nasion - frontal and nasal bone intersection
    • - Vertex
    • - Glabella
  24. Middle meningeal is a branch of what artery?
    Maxillary
  25. Sella Turcica is in what cranial fossa?
    Middle
  26. Parts of sphenoid bone?
    • - lesser wing
    • - greater wing
    • - body
    • - dorsum sella- connection to occipital bone
  27. Posterior fossa contains what 2 foramen?
    Magnum and jugular
  28. Contents of optic canal?
    • -Optic nerve (CN II)
    • - Opthalmic Artery
  29. Contents of superior orbital fissure?
    • - Oclumoter nerve (CN III)
    • -Trochlear (CNIV)
    • -Opthalmic nerve (CN V1)
    • - Abducent Nerve (CNVI)
    • - Superior opthalmic vein
  30. Foramen Rotundum contents?
    Maxillary Nerve (CN V2)
  31. Foramen ovale contents
    • - mandibular nerve (CN V3)
    • - Accessory mengeal artery
    • - Lesser petrosal nerve
  32. Foramen Spinosum?
    • - Middle menial artery and vein
    • - meningeal branch of mandibular nerve
  33. Carotid canal contents?
    internal carotid artery and internal carotid nerve plexus
  34. Foramen lacerum?
    Filled with cartilage and petrosal nerve transverses.
  35. Internal acoustic meatus
    • -Fascial nerve (CN VII)
    • - Vestibulocochlear (CN VIII)
    • - Labyrinthine Artery
  36. Jugular Foramen?
    • - Inferior petrosal sinus
    • -Glossopharyngeal nerve (CN IX)
    • - Vegus (CN X)
    • - Accessory Nerve (CN XI)
    • - Sigmoid sinus
    • - Posterior meningeal artery
  37. Hypoglossal Canal Contents?
    Hypoglossal Nerve (CN XII)
  38. What are fontanelles?
    • Membranes between bones of the skull not yet ossified
    • - Anterior, Posterior, Anterior Lateral, Posterior Lateral
  39. Metopic Suture?
    - Between frontal bones at birth
  40. Branches of trigeminal nerve?
    • 1) Opthalmic
    • 2) Maxillary
    • 3) Mandublar

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