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49 terms

Radiographic Anatomy (skull)

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lambda
The point where the sagittal suture and the lambdoidal suture meet is called the _________.
ethmoid
The cribiform plate is part of the ________ bone.
coronal
The _________ suture separates the frontal bone from the parietal bones.
atlanto-occipital or occipito-atlantal
The _________ joint is found between the lateral condylar processes of the skull and the superior articular process of C1.
Bregma
The anterior fontanel becomes the ___________ in the adult skull.
ethmoid, spheniod, left temporal, and right temporal
The _________, _________, _______ and ________ are the four bones that make up the floor of the cranium.
frontal
The ethmoid notch is part of the ______ bone.
sutural or wormian
A ______ bone is sometimes found in the sutures of an adult skull.
mesocephalic
An average shaped skull is called ________.
frontal, right parietal, left parietal, occiptal
The ________, _______, _______, and _______ are the four bones that make up the calvaria or skull cap.
pituitary adenoma
A(n) ______ is a tumor that may produce an enlarged sella turcica.
paget's
The pathology that begins with a destructive stage and is followed by a reparative stage resulting in a "cotton-wool" appearance is called _______disease.
linear
A(n) _______ skull fracture may appear as a jagged or straight lucent line.
basal
A _______ skull fracture may produce an air-fluid level in the sphenoid sinus.
sphenoid
The _______ bone articulates with all other cranial bones.
depressed
A(n) _______ skull fracture is also called a "ping pong" fracture.
superciliary
The ridge of bone inferior to the eyebrow is called the _______ ridge or arch.
parietal tubercles
The widest part of the skull is found between the ______.
sphenoid
The _______ bone acts as an anchor for all other cranial bones.
asterion
The mastoid fontanel becomes the ______ in an adult skull.
lambdoidal
The _______ suture separates the parietal bones from the occipital bone.
temporal
The squamosal suture separates the parietal bone from the _______ bone.
pterion
The sphenoid fontanel becomes the _______ in the adult skull.
6
There are a total of _______ (number) fontanels in an infant skull.
4
The frontal bone articulates with _______ (number) cranial bones.
petrous ridge
The TEA (top of ear attachment) corresponds to the level of the _______.
sella turcica / sphenoid
The pituitary gland is associated with and protected by the _______ of the _______ bone.
sphenoid
The _______ bone contains the foramen ovale.
sagittal
The _______ suture separates the left and right parietal bones.
ethmoid bone
label i:
frontal bone
label ii:
parietal bone
label iii:
occipital bone
label iv:
temporal bone
label v:
sphenoid bone
label vi:
coronal suture
label c:
bregma
label d:
pterion
label e:
squamosal suture
label f:
lambdoidal suture
label g:
asterion
label h:
dolichocephalic
A long, narrow skull is called _______.
1. inion
2. supercillary ridge
3. glabella
4. supraorbital groove
5. vertex
6. supraorbital margin
7. frontal tuberosity
List the surface landmark with its correct description.

1. external occipital protuberance
2. ridge of bone at the eyebrow
3. smooth flat surface between eyebrows
4. depression in bone above eyebrow
5. most superior surface of cranium
6. superior rim of orbit
7. rounded prominence on forehead
1. sphenoid
2. occiptal
3. temporal
4. frontal
5. temporal
6. temporal
7. sphenoid
8. ethmoid
9. ethmoid
10. occiptal
11. frontal
12. sphenoid
13. ethmoid
List the bone that each process can be found:

1. sella turcica
2. foramen magnum
3. external auditory meatus
4. superciliary arch
5. petrous ridge
6. styloid process
7. foramen rotundum
8. crista galli
9, superior nasal conchae
10. inion
11. ethmoid notch
12. optic foramen
13. perpendicular plate
basal skull fracture
May produce air-fluid level in sphenoid sinus
depressed skull fracture
Also called "ping-pong" fracture
linear skull fracture
Appears as jagged or irregular lucent line
pituitary adenoma
May cause erosion of dorsum sellae
osteitis Deformans
May result in "cotton-wool" appearance