Radiology

Front 1

Amount of energy that tissue receives when it is bombarded by ionizing radiation; measured as gray (Gy) or rad

Back 1

Absorbed Dose

Front 2

Term used to describe the flow of electrons as current

Back 2

Amperage

Front 3

A variable signal continuous in both time amplitude

Back 3

Analog

Front 4

Positive electrode in the x-ray tube that contains the target

Back 4

Anode

Front 5

That which decreases the diagnostic quality of a radiograph

Back 5

Artifact

Front 6

Measuring device to determine patient thickness

Back 6

Calipers

Front 7

Negative electrode in the x-ray tube that supplies the electron

Back 7

Cathode

Front 8

Is a small flat panel device used in digital radiography and photography that converts visual image to an electric signal

Back 8

Charge-Coupled Device

Front 9

Uses similar equipment to conventional radiography, except that an image plate is used and run through a computer scanner to read and digitize the image

Back 9

Computed Radiography

Front 10

Part of film quality indicating clear resolution and definition of the shadows on the radiographic image

Back 10

Detail

Front 11

System uses discrete values(often electrical voltage), especially those represented as binary number for data input, processing, transmission, storage, or display, rather that a continuous spectrum of values (i.e. as in an analog system)

Back 11

Digital

Front 12

Device used to measure the radiation exposure that personnel receive

Back 12

Dosimeter

Front 13

Propagation of ionizing energy through space

Back 13

Electromagnetic Radiation

Front 14

Overall grayness that does not contribute to the diagnostic quality of the film; may be caused from chemicals as well as undesirable radiation

Back 14

Fogging

Front 15

Also known as penumbra

Back 15

Geometric Unsharpness

Front 16

Maximum energy of the x-ray beam that determines the quality or penetrating power of the beam

Back 16

Kilovolt Peak

Front 17

Invisible image produced on the x-ray film after exposure and before processing

Back 17

Latent Image

Front 18

Maximum amount of radiation exposure that an individual is allowed over a given time period

Back 18

Maximum Permissible Dose

Front 19

Amount of current flowing through the tube times the exposure time in seconds

Back 19

Milliamperage/Second

Front 20

Space between the film and the part being radiographed

Back 20

Object Film Distance

Front 21

These are computers or networks dedicated to the storage, retrieval, distribution and presentation of image

Back 21

Picture Archiving and Communication System

Front 22

Bundle of radiation energy

Back 22

Photon

Front 23

Short of picture element. A single point in a graphic image

Back 23

Pixel

Front 24

X-ray beam that has a broad spectrum of energies

Back 24

Polychromatic Beam

Front 25

Object or tissue that absorbs radiation so that the image on the film is lighter

Back 25

Radiopaque

Front 26

Variation in degree of darkness between two adjacent areas on the film

Back 26

Radiographic Contrast

Front 27

Degree of darkness found on the radiograph

Back 27

Radiographic Density

Front 28

Quality of a tissue or device that allows most of the x-ray beam to pass through unaffected

Back 28

Radiolucent

Front 29

Caused by interaction of the primary beam with tissue or matter in its path

Back 29

Scatter Radiation

Front 30

Another name for intensifying screen that emit visible or ultraviolet light when exposed to x-rays

Back 30

Scintillating Devices

Front 31

Heating of the filaments so that the energy produced forces the electrons to be released from their atomic orbits

Back 31

Thermionic Emission

Front 32

Ability of living tissue to resist transmission of the sound. It varies slightly among most tissue, depending of the density and elasticity of the tissue

Back 32

Acoustic Impedance

Front 33

Instrument used to conduct an ultrasound of tissues; emits a series of pulses and then receives the returning echoes

Back 33

Transducer

Front 34

Radiographic study in which contrast medium is injected into the synovial fluid to contrast the articular surface and joint capsule

Back 34

Arthrography

Front 35

Contrast study used to evaluate the cecum and rectum by administering contrast medium directly into the colon

Back 35

Barium Enema

Front 36

Contrast study used to evaluate the urinary bladder

Back 36

Cystography

Front 37

Contrast study used to evaluate the esophagus

Back 37

Esophagraphy

Front 38

Contrast study used to evaluate the kidneys, ureters and urinary bladder; provides information relative to renal function

Back 38

Excretory Urography

Front 39

Contrast study that declines the extent and possible origin of fistulous tracts

Back 39

Fistulagraphy

Front 40

Contrast study used to evaluate the stomach

Back 40

Gastrography

Front 41

Contrast study used to evaluate the abdominal cavity and the integrity of the diaphragm

Back 41

Celiography

Front 42

Contrast study used to evaluate the spinal cord for the site and nature of lesions not seen on survey radiographs

Back 42

Myelography

Front 43

Contrast study used to obtain specific information about cardiac abnormalities

Back 43

Nonselective Angiography

Front 44

Radiographic projection used to set off an area that would normally be superimposed over another area

Back 44

Oblique

Front 45

Contrast study used to evaluate the abdominal organs better when subject contrast in the animal is decreased

Back 45

Pneumoperitoneography

Front 46

Contrast study used to evaluate salivary ducts and glands

Back 46

Sialography

Front 47

Combined kVp and mA are too high for the machine. Too much heat is created

Back 47

Tube Overload

Front 48

Contrast study used to evaluate the urethra

Back 48

Urethrography

Front 49

Contrast study used to evaluate the vagina and urethra

Back 49

Vaginography

Front 50

Pertaining to the opposite side

Back 50

Contralateral

Front 51

Contrast procedure that uses both positive-contrast and negative-contrast media

Back 51

Double contrast

Front 52

Measurements that help determine the maximum exposure characteristics that allow safe operation of the machine, prolonging the life of the x-ray tube

Back 52

Tube Rating Charge

Front 53

Range of exposure that produce a film of diagnostic quality

Back 53

Exposure Latitude

Front 54

Pertaining to structure or body areas situated away from the median plane or middle

Back 54

Lateral

Front 55

Pertaining to structures or areas situated toward the tail

Back 55

Caudal

Front 56

Pertaining to structures of areas situated away from the point of attachment

Back 56

Distal

Front 57

Pertaining to structures or areas situated toward the back or topline of quadrupeds

Back 57

Dorsal

Front 58

Pertaining to structures or body areas situated on the bottom aspect of the front limb

Back 58

Palmar

Front 59

Pertaining to structures or body areas situated on the bottom aspect of the rear limb

Back 59

Plantar

Front 60

Pertaining to structures or body areas situated closer to the point of attachment

Back 60

Proximal