Flashcard Set Preview
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| 1 |
The cranium is divided into two major areas, what are these areas called?
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1. The craniul vault- calvaria
2. The cranial floor- base
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| 2 |
The skull is composed of two sets of bones. These are called?
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1. The cranium
2. the facial bones
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| 3 |
The anterior, middle, and posterior cranial fossae are all three distinct cavities of what?
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The cranial floor or base.
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| 4 |
Which bone covers the anterior portion of the cranium, forms the forehead, superior part of...
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The Frontal Bone
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| 5 |
An opening above each orbit allowing blood vessels and nerves to pass.
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Supraorbital foramen
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| 6 |
The smooth area between the eyes?
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Glabella
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| 7 |
Posterolateral to the frontal bone, forming sides of cranium.
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Parietal Bone
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| 8 |
Midline articulation point of the two parietal bones.
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Sagittal suture
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| 9 |
Point of articulation of parietals with frontal bone.
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Coronal suture
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| 10 |
Inferior to the parietal bones on lateral skull.
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Temporal bone
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| 11 |
The temporal bone can be divided into four major parts. List these parts.
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1. squamous region
2. tympanic region
3. mastoid region
4. petrous region
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| 12 |
Point of articulation of the temporal bone with the parietal bone.
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Squamous suture
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| 13 |
A bridgelike projection joining the zygomatic bone anteriorly. Together these 2 bones form...
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Zygomatic process
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| 14 |
Rounded depression on the inferior surface of the zygomatic process, forms the socket for...
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Mandibular fossa
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| 15 |
Canal leading ot eardrum and middle ear.
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External auditory meatus
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| 16 |
Needlelike projection inferior to external auditory meatus; attachment point for muscles and...
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Styloid process
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| 17 |
Rough projection inferior and posterior to external auditory meatus, attatchment site for muscles.
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Mastoid process
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| 18 |
Tiny opening between the mastoid and styloid processes through which cranial nerve 7 leaves...
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Stylomastoid foramen
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| 19 |
Tiny opening between the mastoid and styloid processes through which cranial nerve 7 leaves...
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Stylomastoid foramen
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| 20 |
Opening medial to the styloid process through which the internal jugular vein and cranial nerves...
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Jugular foramen
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| 21 |
Opening medial to the styloid process through which the internal carotid artery passes into...
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Carotid canal
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| 22 |
Opening on posterior aspect of temporal bone allowing passage of cranial nerves 7 and 8.
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Internal acoustic meatus
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| 23 |
A jagged opening between the petrous temporal bone and the sphenoid providing passage for a...
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Foramen Lacerum
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| 24 |
Most posterior bone of cranium, forms floor and back wall. Joins sphenoid bone anteriorly...
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Occipital Bone
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| 25 |
Site of articulation of occipital bone and parietal bone.
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Lamboid suture
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| 26 |
Large opening in base of occipital, which allows the spinal cord to join with the brain.
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Foramen magnum
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Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra...
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Occiptal condyles
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Opening medial and superior to the occipital condyle through which the hypoglossal nerve (cranial...
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Hypoglossal canal
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| 29 |
Portions of the sphenoid seen exteriorly anterior to the temporal and forming a part of the...
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Greater wings of the shenoid bone
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| 30 |
Jagged openings in orbits providing passage for cranial nerves 3,4,5,6, to enter the orbit...
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Superior orbital fissure
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| 31 |
A saddle-shaped region in the sphenoid midline which nearly encloses the pituitary gland.
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Sella Turcica (Turks sadle)
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| 32 |
The pituitary gland sits in the _______portion of the sella turcica.
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Hypophyseal fossa
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| 33 |
Bat-shaped portions of the sphenoid anterior to the sella turcica.
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Lesser wings
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| 34 |
Openings in the bases of the lesser wings through which the optic nerves enter the orbits to...
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Optic canals
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| 35 |
Opening lateral to the sella turcica providing passage for a branch of the fifth cranial nerve.
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Foramen rotundum
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Opening posterior to the sella turcica that allows passage of a branch of the fifth cranial...
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Foramen ovale
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Opening posterior to the sella turcica that allows passage of a branch of the fifth cranial...
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Foramen ovale
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Opening posterior to the sella turcica that allows passage of a branch of the fifth cranial...
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Foramen ovale
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| 39 |
Irregularly shaped bone anterior to the sphenoid. Forms the roof of the nasal cavity, upper...
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Ethmoid bone
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| 40 |
Vertical projection providing a point of attachment for the dura mater, helping ot secure the...
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Cristi galli
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| 41 |
Bony paltes lateral to the crista galli through which olfactory fibers pass to the brain from...
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Cribiform plates
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| 42 |
Bony paltes lateral to the crista galli through which olfactory fibers pass to the brain from...
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Cribiform plates
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| 43 |
Bony paltes lateral to the crista galli through which olfactory fibers pass to the brain from...
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Cribiform plates
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| 44 |
Inferior projection of the ethmoid that forms the superior part of the nasal septum.
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Perpendicular plate
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| 45 |
Thin, delicatly coiled p[lates of bone extending medially from the lateral masses of ethmoid...
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Superior and middle conche
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| 46 |
Thin, delicatly coiled p[lates of bone extending medially from the lateral masses of ethmoid...
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Superior and middle conche
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| 47 |
Thin, delicatly coiled p[lates of bone extending medially from the lateral masses of ethmoid...
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Superior and middle conche
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