Classic Calvarium
Nice Orbits
Sphenoid Strut
Temporal Time
Super Sutures
100
The _______ bone lies mostly below the floor of the cranium
Ethmoid
100
Name the two fontanels.
Bregma and Lambda
100
IOML is also known as
Reid's Baseline
100
Which bones primarily make up the walls of the calvarium?
Parietal Bones
100
There are _________ cranial bones.
8
Frontal, ethmoid, sphenoid, parietal (rt and left), temporal (rt and left), occiptal
200
The _________ suture separates the frontal bone from the parietal bones
Coronal Suture
200
Cranial sutures are classified as __________ joints.
Synarthrodial
200
The ridge like structure posterior to the eyebrows is ___________?
Supercilliary Arch
200
The slender process that projects downward from the temporal bone is_________?
Styloid Process
200
The posterior clinoids and dorsum sellae should be visualized where on an PA axial projection (Haas method)?
Through/in the foramen magnum.
300
The _________ suture separates the parietal bone from the temporal bone.
Squamosal Suture
300
The EAM is part of the _________bone.
Temporal Bone
300
How many bones are in the entire skull?
22
300
What bone is this?
Sphenoid Bone
300
The organs of hearing and balance are housed in which cranial bones?
Temporal Bone
400
The _________ suture separates the parietal bones from the occipital bone.
Lambdoidal Suture
400
The shape of the skull where the pars petrosa forms a 47-degree angle.
Mesocephalic
400
Where are the petrous ridges on a Caldwell method?
Lower 1/3 of the orbits.
400
The name of the (external/superficial) landmark labeled #7
Acanthion
400
The landmark at the superior portion of the base of the orbit is termed the _______
Supraorbital Margin
500
The two small "pokey" projections anterior to the sella turcica, found on the lesser wing of the sphenoid bone.
Anterior Clinoid Processes
500
The structure projected into the foramen magnum on a well positioned SMV projection.
Odontoid/Dens Process
500
What is the long name for the inion
External Occipital Protuberance
500
List the bones that make up the floor of the cranium.
Ethmoid, sphenoid, left and right temporal bones.
500
List three structures that should be superimposed to evaluate how lateral a lateral projection of the skull is
•Orbital roofs
•External auditory meati
•Temporomandibular joints
•Mandibular rami
•Gonions
•Anterior clinoid processes
•Posterior clinoid processes
(The sella turcica is not superimposed, it is in PROFILE)