Cranial Bones
Foramen
Facial Bones
Abbreviations
Fracture
100
The greater part of the anterior cranial fossa, part of the roof of the nasal cavity, and the roof of the orbits are formed by this.
What is the frontal bone?
100
The inferior portion of the medulla oblongata passes through here as it joins the spinal cord.
What is foramen magnum?
100
The smallest bones in the skull.
What is the lacrimal bones?
100
The sound conducting canal of the external ear.
What is the EAM?
100
Fracture located at the base of the skull.
What is basal fracture?
200
The organ of hearing and balance is housed here.
What is the temporal bone?
200
Through which a tear duct passes.
What is a lacrimal foramen?
200
The largest and densest bone of the face.
What is the mandible?
200
Extends from the outer canthus to the external acoustic meatus.
What is the OML?
200
Fracture of the floor of the orbit.
What is a blowout fracture?
300
Squama, inion, foramen magnum, and basilar portion are all part of this bone.
What is the occipital bone?
300
Located on either side of the mandible below the second pre-molar tooth.
What is mental foramen?
300
Articulates with the frontal bone, temporal bone, maxilla, and sphenoid.
What is the zygomatic bone?
300
The articulation between the mandibular condyle and the mandibular fossa of the temporal bone.
What is TMJ?
300
Bilateral horizontal fractures of the maxillae.
What is a Le Fort fracture?
400
The cribiform plate and the perpendicular plate make up the horizontal and vertical portions.
What is the ethmoid bone?
400
One of these is located superior to each orbit on the frontal bone and the other is located inferior to each orbit on the maxillary bones.
What is the supraorbital foramen and the infraorbital foramen?
400
Long, narrow, and very thin these curl laterally, giving them a scroll-like appearance.
What is the inferior nasal conchae?
400
Positioned to be perpendicular to the plane of the IR in a Waters projection.
What is the MML?
400
Fracture to one side of a structure caused by trauma to the other side.
What is a Contre-coup fracture?
500
The pterygoid processes of this bone articulate with the palatine bones anteriorly and with the wings of the vomer.
What is the sphenoid bone?
500
These three pairs are all located in the greater wings of the sphenoid.
What is the foramen spinosum, foramen ovale, foramen rotundum
500
Forms the posterior fourth of the bony palate and assists in forming the posteromedial bony orbit.
What is the palatine bones?
500
Adjusted to be perpendicular to the front edge of the IR in lateral projections.
What is the IOML?
500
A fracture of the zygomatic arch and orbital floor or rim and dislocation of the frontozygomatic suture.
What is a tripod fracture?