X rays are electromagnetic radiation that differentially penetrates structures within the body and creates images of these structures on photographic film or a fluorescent screen.
Magnetic resonance imaging (MRI) is done for many reasons. It is used to find problems such as tumors, bleeding, injury, blood vessel diseases, or infection.
The CT scanner uses digital geometry processing to generate a 3-dimensional (3-D) image of the inside of an object.
Ultrasonic devices are used to detect objects and measure distances. Ultrasonic imaging (sonography) is used in both veterinary medicine and human medicine.
Color Doppler ultrasound is a medical imaging technique which is used to provide visualization of the bloodflow, using color processing to add color to the image so that a doctor or care provider can clearly see what is happening inside the body.
A mammogram is a special type of X-ray of the breasts. Mammograms can show tumors long before they are big enough for you or your health care provider to feel.