Inferior		Movement of a joint or structure away from the midline/Mid-Sagittal Plane.
Osteo		Movement of a joint or structure towards the midline/Mid-Sagittal Plane.
Extension		Toward the feet.
Proximal		Prefix: "between"
Anterior-Posterior		To turn the plantar surface of the foot away from the midline.
Decubitis		The anterior surface of the hand.
Superior		Toward the midline.
Articulation		The use of a restricting device that can be adjusted to change the size of the primary x-ray beam field.
Epi		Toward the front surface of the body.
Oblique		The center of the x-ray beam.
Posterior		Away from the midline/Mid-Sagittal Plane.
Inversion		Toward the head.
Pariental		Above
Pronation		Toward the back surface of the body.
Tube Tilt		Closer to the point of origin.
Supination		To turn to palm(s) of the hand(s) forward/anteriorly in anotomical position.
Supine		Prefix: "above" or "upon"
Palmar		To turn the plantar surface of the foot towards the midline.
Adduction		Prefix: "bone"
Abduction		When an individual is lying down on their back/posterior surface.
Prone		Projection at an angle other than perpendicular or horizontal.
Anatomical Position		Below
Bilateral		Used to describe that an individual is recumbent during a "cross-table" x-ray projection.
Distal		Positioned at an angle other than perpendicular or horizontal.
Collimation		To increase the angle of a joint -OR- to seperate the two or more bones associated with that joint.
Visceral		Having or being located on both the right and left sides.
Contralateral		Refers to an association with internal organs.
Eversion		The sole or bottom of the foot(feet).
Cephalic		Tilting of the x-ray tube/beam at an angle other than that which is perpendicular to the structure of interest.
Lateral		Where two or more bones come together to form a joint.
Plantar		To decrease the angle of a joint -OR- to approximate the two or more bones associated with that joint.
Flexion		To turn the palm of the hand down or backward/posteriorly from anatomical position.
Recumbant		Further from the point of origin.
Central Ray		When an individual is standing erect, eyes looking forward, arms are extended at the elbows and held at their sides, and the palms are facing anteriorly.
Anterior		Refers to an association with the "wall" of a body cavity.
Sub		Prefix: "Below"
Axial		When an individual is lying down on their stomach/front/anterior surface.
Medial		General term for an individual lying down.
Caudal		Pertaining to the opposite side.
Inter		An x-ray projection that is directed from the anterior surface towards the posterior surface.