Term
|
Definition
| movement of a lomb away from the body |
|
|
Term
|
Definition
| movement of a limb toward the axis of the body |
|
|
Term
|
Definition
| from the front to the back of the body, commonly associated with the direction of the xray beam. |
|
|
Term
|
Definition
| a radiographic process in wchich the aorta and its branches are injected with various contrast media for visualization. |
|
|
Term
|
Definition
| a method of radiographically visualizing the inside of a joint by injecting air or contrast medium. |
|
|
Term
|
Definition
| pertaining to or situated on the axis of a structure or part of the body |
|
|
Term
|
Definition
| a cyclic accelator that produces high-energy electrons for radiotherapy treatments. |
|
|
Term
|
Definition
| the placement of radioactive sources in contact with or implanted into the tissues to be treated. |
|
|
Term
|
Definition
| an x-ray examination of the bronchi after they have been coated with a radiopaque substance. |
|
|
Term
|
Definition
| the filming witha movie camera of the images that appear on a flyorescent screen, especially those images of body structures that have been injected with a nontoxic radiopaque medium for diagnostic purposes; also called cinefluorography. |
|
|
Term
|
Definition
| an x-ray technique that produces a film representing a detailed cross section of tissue structure. |
|
|
Term
|
Definition
| any method of x-ray image formation that uses a computer to store and manipulate data |
|
|
Term
|
Definition
| the apparent change in frequency of sound or light waves emitted by a source as it moves away from or toward an observer. |
|
|
Term
|
Definition
| a turning outward or inside out, such as a turning of the foot outward at the ankle |
|
|
Term
|
Definition
| a movement allowed by certain joints of the skeleton that increases the angle between two adjoining bones, such as extending the leg (which increases the angle between the femur and the tibia) |
|
|
Term
|
Definition
| a movement allowed by certain joints of the skeleton that decreases the angle between two adjoining bones, such as bending the elbow (which decreases the angle between the humerus and the ulna) |
|
|
Term
|
Definition
| the emission of light of one wavelength (usually ultraviolent(when exposed to light of a different (usuallyu shorter) wavelenght; a property possessed by certain substances. |
|
|
Term
|
Definition
| a technique in radiology for visually examining a part of the body or the function of an organ, using a fluoroscope. |
|
|
Term
|
Definition
| a device that uses the emission of light from a crystal struck by gamma rays to produce an image of the distribution of radioactive material in a body organ. |
|
|
Term
|
Definition
| an electromagnetci radiation of short wavelength emitted by the nucleus of an atom during a nuclear reaction. also called gamma radiation. |
|
|
Term
|
Definition
| the time required for a radioactive substance to lose 50% of its activity through decay. |
|
|
Term
|
Definition
| radiotherapy in which needles or wires that contain radioactive material are implanted directly into tumor areas. |
|
|
Term
|
Definition
| an abnormal condition in which an organ is turned inside out, such as a uterine inversion; also refers tu turning inward, as in inversion of the ankle. |
|
|
Term
|
Definition
| the process in which a neutral atom or molecule gains or loses electrons and thus acquires a negative or positive electric charge. |
|
|
Term
|
Definition
| exposure to any forma of radiant energy (such as heat, light, or x-ray) |
|
|
Term
|
Definition
| capable of causing death. |
|
|
Term
|
Definition
| an apparatus for accererating charged subatomic particles used in radiotherapy, physics research, and the production of radionuclides. |
|
|
Term
|
Definition
| the x-ray examination of lymph glands and lymphaticvessels after an injection of contrast medium |
|
|
Term
| magnetic resonance imaging |
|
Definition
| medical imagining that uses radio frequency signals as its source of energy |
|
|
Term
|
Definition
| a radiographic process by which the spinal cord and the spinal subarachnoid space are viewed and photographed after the introduction of a contrast medium. |
|
|
Term
|
Definition
| a medical discipline that uses radioactive isotopes in the diagnosis and treatment of disease. |
|
|
Term
|
Definition
| the voltage range of 100 to 350 keV supplied by some x-ray generators used for radiation therapy |
|
|
Term
|
Definition
|
|
Term
|
Definition
| the generation of a voltage across a solid when a mechanical stress is applied |
|
|
Term
| positron emission tomography PET |
|
Definition
| a computerized radiographic technique that employs radioactive substances to examine the metabolic activity of a varioys body structures. |
|
|
Term
|
Definition
| the direction from back to front. |
|
|
Term
|
Definition
| being in horizontal position when lying face down |
|
|
Term
|
Definition
| a technique in radiology for examing the structures and evaluating the function of the urinary system. |
|
|
Term
|
Definition
| radiation absorbed dose. the basic unit of absorbed dose of ionizing radiation. |
|
|
Term
|
Definition
| the treatment of neoplastic disease by using x-rays or gamma rays, usually from a cobalt source, to deter the growth of malignant cells by decreasing the rate of cell division or imparing DNA symtheses. also called radiotherapy |
|
|
Term
|
Definition
| the ability of a substance to emit rays or particles (appha, beta, or gamma) from its nucleus) |
|
|
Term
|
Definition
| an allied health professional trained to use x-ray machines and other imaging equipment to produce images of the internal structures of the body' also known as radioligic technologist |
|
|
Term
|
Definition
| a technique in radiology used to determine the concentration of an antigen, antibody, or other protein in the serum |
|
|
Term
|
Definition
| a radioactive isotope (of an element) used for therapeutic and diagnostic purposes. |
|
|
Term
|
Definition
| a physician who specializes in radiology |
|
|
Term
|
Definition
| the study of the diagnostic and therapeutic uses of x-rays also known as roentgenology |
|
|
Term
|
Definition
| pertaining to materials that allow x-rays to penetrate with a minimum of abbsorption |
|
|
Term
| radionuclide (radioisotope) |
|
Definition
| an isotope )or nuclide)tha tundergoes radioactive decay |
|
|
Term
|
Definition
| not permitting the passage of x-rays or other radiatn energy |
|
|
Term
|
Definition
| a drug that contains radioactive atoms |
|
|
Term
|
Definition
| lying down or leaning backward |
|
|
Term
|
Definition
|
|
Term
|
Definition
| a technique for carefully studying an area, organ, or system of he body by recording and displaying an image of the area |
|
|
Term
| single-photon emission computed tomography SPECT |
|
Definition
| a variation of computerized tomography CT scanning in which gamma camera detectors rotate around the patients body collecting data. the data are summarized into a three-dimensional representation |
|
|
Term
|
Definition
| lying horizontally on the back |
|
|
Term
|
Definition
| radiation therapy administered by a machine positioned at some distance from the patient |
|
|
Term
|
Definition
| an x-ray technique that produces a film representing a detailed cross section of tissue structure at a predetermined depth |
|
|
Term
|
Definition
| a handheld device that sends and receives a sound-wave signal. |
|
|
Term
|
Definition
| sound waves at the very high frequency of more than 20,000 khz vibrations per second |
|
|
Term
|
Definition
| the drawing up or absorption of a substance. |
|
|
Term
|
Definition
| a catheter is introduced into a large vein or artery, usually of an arm or leg, and then threaded through the circulatory system to the heart. |
|
|
Term
|
Definition
| a series of x-rays films allowing visualization of internal structures after the introduction of a radiopaque substance. |
|
|
Term
|
Definition
| the injection of an radiopaque contrast medium into an arterial blood vessel (carotid, femoral, or brachial) to make visualization of the cerebral cascular system via x-ray possiblw |
|
|
Term
|
Definition
| x-ray visualization of the internal anatomy of the renal blood vessels after injection of a contrast medium |
|
|
Term
|
Definition
| x-ray visualization of arteries following the introduction of a radiopaque contrast medium into the blood stream through a spefific vessel by way of a catheter. |
|
|
Term
|
Definition
| process of taking x-rays of the inside of a joint after a contrast medium has been injected into the joint |
|
|
Term
|
Definition
| infusion of a radiopaque (lower gi series) contrast medium, barium sulfate, into the rectum. the contrast medium is retained in the lower intestional tract while x-ray films are obtrained of the lower gi tract |
|
|
Term
|
Definition
| oral administration of a (upper gi series) radiopaque contrast medium, barium fulfate, which flows into the esophagus as the person swallows |
|
|
Term
|
Definition
| bronchial examination via x-ray following the coating of he bronchi with a radiopaque substance |
|
|
Term
|
Definition
| visualizing and outlining of the major bile ducts following intravenous injection of a contrast medium |
|
|
Term
| cholangiography (PTC, PTHC) |
|
Definition
| an examination of the bile duct structure, using a needle to pass directly into an intrahepatic bile duct to inject a contrast medium. |
|
|
Term
| cholangiopancreatography (endoscopic retrograde)ERCP |
|
Definition
| a procedure that examines the size and filling of the pancreatic and bilary ducts through direct radiographic visualization with a fiberoptic endoscope |
|
|
Term
|
Definition
| visualization of the gallbladder through x-ray following the oral ingestion of pills containing a radiopaque iodinated dye |
|
|
Term
|
Definition
| is a diagnostic technique combining the techniques of fluoroscopy, radiography, and cinematography by filming the images that develop on a fluorescent screen with a movie camera. |
|
|
Term
| computed axial tomography CT,CAT |
|
Definition
| a painless, noninvasice diagnostic x-ray procedure using ionizing radiation that produces a cross-sectional image of the body; also called computed tomography |
|
|
Term
| voiding cystourethrography |
|
Definition
| x-ray visualization of the bladder and urethra during the voiding process, after the bladder ahs been filled with a contrast material. the record produced is kknown as a cystourethrogram |
|
|
Term
| digital subtraction angiography DSA |
|
Definition
| x-ray images of blood vessels ony appearing without any background due to the use of a computerized digital video subtraction process |
|
|
Term
|
Definition
| is a diagnostic procedure for studying the structure and motion of the heart. it is useful in evaluating structural and functional changes in a variety of hear disorders. |
|
|
Term
|
Definition
| a radiological technique used to examine the function of an organ or a body part by using a fluoroscope |
|
|
Term
|
Definition
| an x-ray of the uterus and the fallopian tubes by injecting a contrast material into these structures. |
|
|
Term
|
Definition
| an x-ray assessment of the lymphanic system following injection of a contrast medium into the lymph vessels in the hand or foot |
|
|
Term
| magnetic resonance imaging MRI |
|
Definition
| a non invasivce scanning procedure that provides visualization of fluid, soft tissue, and bony structures by using electromagnetic energy. |
|
|
Term
|
Definition
| the process of taking x-rays of the soft tissue of the breast to detect various benign and/or malignanct growths beofre they can be felt. |
|
|
Term
|
Definition
| introduction of contrast medium into the lumbar suarachnoid space through a lumbar puncture to visualize the spinal cord and vertebral canal through x-ray examaination |
|
|
Term
| positron emission tomography PET |
|
Definition
| a noninvasive diagnostic imaging method that demonstrates the biological function of the body before anatomical changes talke place. the scan produces computerized radiographic images of the body structures when radioactive substances are administered to the patient. |
|
|
Term
|
Definition
| also known as intravenous pyelogram. this procedure provides visualization of the entire urinary tract; that is the kidneys, ureters, bladder, and urethra |
|
|
Term
|
Definition
| the delivery of ionizing radiation to accomplish one or more of the following; destruction of tumor cells, reduction of tumor size, decrease in pain, relief of obstruction, to slow or stop the spread of cancer cells. |
|
|
Term
| radioactive iodine uptake |
|
Definition
| is an examination that determines the position, size, shape, and physiological function of hte thyroid gland through the use of radionuclear scanning |
|
|
Term
| scanning (bone, brain, liver, lungs) |
|
Definition
| is the process of recording the emission of radioactive waves using a gamma cammera after an intravenous injection of a radionuclide material into the particular part of the body being studied. |
|
|
Term
| single-photon emission conputed tomography SPECT |
|
Definition
| is a nuclear imaging procedure that shows how blood flows to tissues and organs |
|
|
Term
| small bowel follow-through |
|
Definition
| oral administration of a radiopaque contrast medium barium sulfate, which flows through the GI system. x-ray fils are obtrained at timed intervals to observe the progression of the barium through small intestine |
|
|
Term
|
Definition
| an x-ray technique used to construct a detailed cross section, at a predetermined depth, of a tissue structure. |
|
|
Term
|
Definition
| also called ultrasound, sonogram. this is a procedure in which sound waves are transmitted into the body structures as small transducer is passed over the patient's skin |
|
|
Term
|
Definition
| also called phlebography. is a technique used to prepare an x-ray image of veins that have been injected with a contrast medium that is radiopaque |
|
|
Term
|
Definition
| the use of high-energy electromagnetic waves, passing through the body onto photographic film to produce a picture of the internal structures of the body for diagnosis and therpay. a aches x-ray is a visualization of the interior of the chest; critical in the complete evaluatio n of the cardia and pulmonary systems. |
|
|
