12 Terms
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Radiology equipment
Radiology equipment is used in the medical profession for the purpose of creating images that expose internal parts of the body.
Industry: Medical devices
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Radiology equipment
gamma rays
Medical devices; Radiology equipment
High-energy electromagnetic radiation emitted by certain radionuclides when their nuclei transition from a higher to a lower energy state. These rays have high energy and a short wave-length. All ...
geiger counter
Medical devices; Radiology equipment
A radiation detection and measuring instrument consisting of a gas-filled tube containing electrodes, between which an electrical voltage but no current flows. When ionizing radiation passes through ...
genetic effects
Medical devices; Radiology equipment
Hereditary effects (mutations) that can be passed on through reproduction because of changes in sperm or ova. See also teratogenic effects, somatic effects.
gray (Gy)
Medical devices; Radiology equipment
The new international system (si) unit of radiation dose, expressed as absorbed energy per unit mass of tissue. The si unit "gray" has replaced the older "rad" designation. (1 gy = 1 joule/kilogram = ...
half-life
Medical devices; Radiology equipment
The time any substance takes to decay by half of its original amount. See also biological half-life, decay constant, effective half-life, radioactive half-life.
health physics
Medical devices; Radiology equipment
A scientific field that focuses on protection of humans and the environment from radiation. Health physics uses physics, biology, chemistry, statistics, and electronic instrumentation to help protect ...
high-efficiency particulate air filter (HEPA)
Medical devices; Radiology equipment
A filter that is at least 99.97% efficient in removing monodisperse particles of 0.3 micrometers in diameter. The equivalent niosh 42 cfr 84 particulate filters are the n100, r100, and p100 filters. ...
