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Osteo > Cranial Bones > Flashcards

Cranial Bones Flashcards

1
Q

Cranial Bones (Info)

A
  • Protect the brain
  • Stabilize the brain’s position by the attachment of the inner membrane
    (meninges) to the bones
  • External surface provides muscle attachments for cranial and facial
    musculature
  • The bones of the cranium are flat bones
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2
Q

Frontal Bone

Palpable Landmarks

(6)

A
  • Glabella
  • Supraorbital Ridge
  • Supraorbital Notch
  • Supratrochlear Foramen
  • Frontal Squamous
  • Superior/Inferior Temporal Lines
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3
Q

Frontal Bones

Non-Palpable Landmarks

(5)

A
  • Orbital Surface
  • Frontal Crest
  • Groove for Superior Sagittal Sinus
  • Grooves for Anterior Meningeal Arteries
  • Frontal Sinus
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4
Q

Ethmoid Bone

Non-Palpable Landmarks

(5)

A
  • Crista Galli
  • Cribiform Plate
  • Perpendicular Plate
  • Nasal Conchae: Superior and Inferior
  • Ethmoid Sinuses
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5
Q

Parietal Bone

Palpable Landmarks

(2)

A
  • Temporal Lines: Superior and Inferior
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6
Q

Parietal Bone

Non-palpable Landmarks

(1)

A
  • Grooves for Meningeal Arteries
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7
Q

Occipital Bone

Palpable Landmarks

(5)

A
  • Nuchal Lines: Superior and Inferior
  • Planum Nuchae
  • Occipital Squamous
  • External Occipital Crest
  • External Occipital Protuberance
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8
Q

Occipital Bone

Non-Palpable Landmarks

(8)

A
  • Occipital Condyles: Occipital Articulating Facets
  • Basilar Part
  • Clivus
  • Grooves for Venous Sinuses: Occipital, Transverse, Superior Sagittal, Inferior Petrosal, Sigmoid
  • Grooves for Posterior Meningeal Arteries
  • Foramen: Jugular Foramen, Hypoglossal Canal, Foramen Magnum
  • Internal Occipital Crest
  • Internal Occipital Protuberance
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9
Q

Temporal Bone

Palpable Landmarks

(9)

A
  • External Auditory
  • Mastoid Process
  • Styloid Process
  • Squamous Portion
  • Mastoid Portion
  • Zygomatic Process – makes up Zygomatic arch
  • Articular Tubercle
  • Temporal Fossa
  • Mendibular Fossa
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10
Q

Temporal Bone

Non-Palpable Landmarks

(5)

A
  • Internal Auditory Meatus
  • Petrous Portion
  • Jugular Foramen
  • Grooves for Sinuses: Superior Petrosal, Sigmoid
  • Grooves for Arteries: Middle Mengineal Arteries, Middle Temporal Artery
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11
Q

Sphenoid Bone

Palpable Landmark

(1)

A
  • Greater Wings
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12
Q

Sphenoid Bone

Non-Palpable Landmarks

(14)

A
  • Lesser Wings
  • Infratemporal Crest
  • Pterygoid Processes: Medial Plate – Hamulus, Lateral Plate
  • Chaismatic Groove
  • Clivus
  • Sella Turcia
  • Jugum
  • Superior Orbital Fissure
  • Inferior Orbital Fissure
  • Orbital Surface
  • Optic Foramen
  • Sphenoid Sinuses
  • Grooves for Arteries
  • Foramen
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Osteo (4 decks)

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