Skull Anatomy
Facial Bone Anatomy
Positioning Lines
Skull Positioning
Facial Bone Positioning
100

This bone has a "saddle" which protects a master gland.

Sphenoid

100

These small bones are associated with your tear ducts.

Lacrimal

100

This line is perpendicular to the IR when performing a lateral.

IPL

100

This position places the OML perpendicular to the IR with a 15 degree caudal angle.

Caldwell

100

This view of the facial bones will place the frontal bone closest to the IR

Caldwell

200

This bone protects the organs of hearing and equilibirum.

Temporal

200

These bones help from the lower, outer orbit and your "cheek bone".

Malar bones

Zygoma bones

200

When performing a trauma Townes view, the IOML requires a _____ angulation.

37 degree

200

The dorsum sellae is projected through foramen magnum in this view.

Townes

200

The central ray will enter between the _____ and _____ in a lateral.

Outer canthus and EAM

300

_______ will harden and fuse to become the pterions, asterions, bregma, and lambda.

Fontanels

300

This congenital defect will occur in the mouth.

Cleft Palate

300

A modified Waters view utilizes this positioning line.

LML

300

The pars petrosa will be demonstrated below the orbit of the eye.

PA Axial w/ 25 to 30 degree angulation caudal

Modified Caldwell

300

The _____ is perpendicular to the IR when the dens is projected through foramen magnum

MML

400

The TEA sits approximately level with this part of the temporal bone.

Petrous Ridge

Pars petrosa

400

This bone will rest on the image receptor when a Waters view is being performed.

Mandible

400

This forms a 37 degree angle when a Waters view is being performed.

OML

400

Displacement of the orbital roof superiorly and anteriorly demonstrates

Rotation and Tilt

400

The LML will be placed perpendicular when a _____ view is being performed.

Modified Waters

500

This part of the skull connects the middle ear to the nasopharynx.

Eustachian tube

500

Due to its articulations with the teeth, these facial bones are prone to sinus infections.

Maxillary bones
500

This positioning line is placed perpendicular to the CR and parallel to the IR during a SMV.

IOML

500

This view will demonstrate the foramen magnum and potential basal skull fractures.

SMV

500

A parietoacanthial projection will have the ____ form a 37 degree angle to the IR.

OML

M
e
n
u