Skull

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Author:
BodeS
ID:
300324
Filename:
Skull
Updated:
2016-01-19 01:52:54
Tags:
Anatomy
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Description:
bones external landmarks internal landmarks internal foramina
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  1. Internal Landmarks
    PAM Nullifies Carribean Crab by Selling Petroleum
    • Anterior Cranial Fossa
    • Middle Cranial Fossa
    • Posterior Cranial Fossa

    • nasal bones
    • cribriborm plate
    • crista galli
    • sella turcica
    • petrous portion
  2. Internal Foramen
    • Olfactory Foramen
    • Optic Canal
    • Superior Orbital Fissure
    • Foramen Rotundum
    • Foramen Ovale
    • Foramen Spinosum (small artery)
    • Foramen Lacerum (connects to carotid artery)
    • Internal Auditory Meatus
    • Jugular Foramen
    • Foramen Magnum (spinal chord)
    • Hypoglossal Canal
  3. Olfactory Foramen
    number 
    name
    modality
    fxn
    • number: CN I
    • name: Olfactory Nerve
    • modality: SSA
    • fxn: smell
  4. Optic Canal
    number
    name
    modality
    fxn
    • number: CN II
    • name: Optic Nerve
    • modality: SSA
    • fxn: vision
  5. Superior Orbital Fissure
    number
    name
    modality
    fxn
    • number: CN III
    • name: Occulomotor Nerve
    • modality: SE, VE
    • fxn: move eye
    • pupil/lens

    • number: CN IV
    • name: Trochlear Nerve
    • modality: SE
    • fxn: move eye

    • number: CN V1
    • name: Opthalamic branch of Trigeminal Nerve
    • modality: SA
    • fxn: superior 1/3 of face

    • number: CN VI
    • name: Abducens Nerve
    • modality: SE
    • fxn: move eye
  6. Foramen Rotundum
    number 
    name
    modality
    fxn
    • number: CN V2
    • name: Maxillary branch of Trigeminal
    • modality: SA
    • fxn: middle 1/3 of face
    • upper teeth
  7. Foramen Ovale
    number 
    name
    modality
    fxn
    • number: CN V3
    • name: Mandibular branch of Trigeminal Nerve
    • modality: SA, SE
    • fxn: (SA) inferior 1/3 of face
    • anterior 2/3 tongue
    • (SE) muscles of mastication
  8. Internal Auditory Meatus
    number 
    name
    modality
    fxn
    • number: CN VII
    • name: Facial Nerve
    • modality: all 4
    • fxn: (SE) muscles of facial expression
    • (SA) skin around ear
    • (SSA) taste- anterior 2/3 of tongue
    • sweet, sour, salt
    • (VE) Lacrimal gland
    • 2 salivary glands

    • number: CN VIII
    • name: Auditory Nerve
    • or Vestibulocochlear Nerve
    • modality: SSA
    • fxn: hearing
    • balance
  9. Jugular Foramen
    number
    name
    modality
    fxn
    • number: CN IX
    • name: Glossopharyngeal Nerve
    • modality: all 4
    • fxn: (SA) posterior 1/3 tongue
    • pharynx
    • ex/ sore throat
    • (SSA) taste- posterior 1/3 tongue
    • bitter
    • (SE) gag reflex
    • swallow muscles
    • (VE) 3rd salivary gland

    • number: CN X
    • name: Vagus Nerve
    • modality: all 4
    • fxn: (SA) ear drum
    • (SSA) taste- far posterior tongue
    • (SE) muscles of larynx
    • (VE) parasympathetic
    • thoracic and abdominal 
    • ends at left splenic colic flexure

    • number: CN XI
    • name: Accessory Nerve
    • modality: SE
    • fxn: neck
    • ex/ trapezius
    • muscles of neck
  10. Hypoglossal Canal
    number
    name
    modality
    fxn
    • number: CN XII
    • name: Hypoglossal Nerve
    • modality: SE
    • fxn: tongue
  11. 8 Cranial bones
    visibility
    • easily visible
    • Frontal Bone
    • Parietal Bones (2)
    • Occipital Bone
    • Temporal Bones (2)

    • internally visible
    • Sphenoid 
    • Ethmoid
  12. 14 Facial Bones
    • mandible
    • maxillae (2)
    • zygomatic bones (2)
    • nasal bones (2)
    • vomer
    • inferior nasal conchae (2)
    • lacrimal (2)
    • palantine (2)
  13. External Landmarks
    suture
    landmarks
    foramen
    • 4 sutures
    • coronal or frontal suture
    • sagittal suture
    • squamosal suture
    • lambdoidal suture

    • 4 landmarks
    • zygomatic arch
    • eye orbit
    • mastoid process
    • styloid process

    • 4 foramen
    • external auditory meatus (CN VII)
    • supraorbital foramen/notch (CN V1)
    • infraorbital foramen (CN V2
    • mental foramen (CN V3)



    • a- frontal bone
    • g- parietal bones
    • frontal bone
    • cranial bone
    • sphenoid
    • cranial bone
    • ID: temporal bone
    • cranial bone
    • A. mastoid process
    • B. external auditory meatus
    • D. squamous portion- forms surtre
    • G. zygomatic process- forms zygomatic arch




    • maxillary bone
    • upper teeth
    • CN V2
    • Maxillary branch of the Trigeminal Nerve








  14. ethmoid bone






    • A- Sagittal Sutre
    • B- Frontal or Coronal Sutre
    • C- Lambdoidal Sutre
    • D- Squamosal Sutre
    • E- Frontal Bone
    • F- Parietal Bones
    • G- Temporal Bones
    • H- Occipital Bone

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