The flashcards below were created by user
mheidenr
on FreezingBlue Flashcards.
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frontal bone marking:
supraorbital notch or foramen: notch or small hole located along the superior margin of the orbit
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frontal bone marking:
frontal sinus: two large cavities located superior and medial to the orbits.
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temporal bone marking:
zygomatic process: anterior extension of bone, forms the posterior portion of the zygomatic arch
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temporal bone marking:
styloid process: projection from the inferior surface of the temporal bone
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temporal bone marking:
carotid canal: medial and anterior to styloid process
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temporal bone marking:
mandibular fossa: depression below the zygomatic process; where the mandible articulates
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temporal bone marking:
external acoustic (meatus) canal: opening along the external surface of the bone that is the passageway to the eardrum
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temporal bone marking:
internal acoustic (meatus) canal: opening along the internal surface of the bone for auditory nerves
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temporal bone marking:
mastoid process: large protrusion posterior and lateral to styloid process
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temporal bone marking:
stylomastoid foramen: small hole between mastoid process and styloid process
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occipital bone marking:
foramen magnum: large opening at the base of the skull
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occipital bone marking:
occipital condyles: prominent, rounded elevations located to the sides of the foramen magnum
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occipital bone marking:
hypoglossal canal: hole located in basilar part of bone superior to occipital condyle
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occipital bone marking:
jugular foramen: large, irregular opening along junction of occipital and temporal bone
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occipital bone marking:
external occipital protuberance: elevation on bottom center
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sphenoid bone marking:
greater wings: prominent wing-like lateral extension from the body of the sphenoid bone
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sphenoid bone marking:
lesser wings: small lateral extension from the body
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sphenoid bone marking:
sella turcica: depression that houses the pituitary gland
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sphenoid bone marking:
pterygoid processes (lateral and medial pterygoid plates)
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sphenoid bone marking:
optic canal: opening along junctions of lesser wing and body, passageway for optic nerve
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sphenoid bone marking:
superior orbital fissure: elongated, narrow opening that runs diagonally along the back of the orbit, between lesser and greater wings.
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sphenoid bone marking:
foramen ovale: oval hole in the greater wing (great landmark for locating other markings)
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sphenoid bone marking:
foramen spinosum
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sphenoid bone marking:
foramen lacerum
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sphenoid bone marking
foramen rotundum
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sphenoid bone marking:
sphenoid sinus
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ethmoid bone marking:
perpendicular plate: thin vertical plate that extends down into nasal cavity
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ethmoid bone marking:
cribiform plate: horizontal plate in cranial floor and roof of nasal cavity that articulates with the frontal bone
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ethmoid bone marking:
crista galli: thin vertical plate that extends up from the cribiform plate
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ethmoid bone marking:
middle nasal conchae: thin plate that extends down in the nasal cavity, lateral to perpendicular plate
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ethmoid bone marking:
ethmoidal sinuses: a collection of small cavities located between the orbits in the lateral masses of the ethmoid bone.
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