cold spot

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cold spot

In radiation oncology, a tissue region that is exposed to much less radiation than neighboring tissues.

cold spot

An area on a nuclear medicine scan in which no radioactive tracer is taken up, indicative of nonfunctioning tissue in a gland or other structure.
See also: spot
References in periodicals archive ?
The rotating diffuser that spins air in a 360 degree motion below the fan can be turned on or off as well, so as to direct air away from cold spots or keep a multi-directional breeze flowing in any given space.
Test, Adjust and Balance is recommended to maximize efficiency and minimize operating costs, to assure that the engineer's design is met, to identify design and/or construction deficiencies and to troubleshoot problem areas, such as hot or cold spots, drafts, odors or noisy areas.
What's more, they also stimulate the distribution of warm air around your home - making rooms feel warmer and more comfortable and also helping to eliminate cold spots.
The unit moves massive amounts of air over a large area and creates regular air turnover to eliminate hazardous hot and cold spots.
If produced in the early Universe, textures would interact with light from the CMB to leave a set of characteristic hot and cold spots.
In a Contherm, blades scrape the heat transfer surface at predetermined intervals to reduce fouling and prevent hot or cold spots developing.
One reason for the ups and downs in brightness is the existence of cold spots on their surfaces.
The matched whey protein gel was used as a model for studying the heating pattern and locating cold spots in microwave-processed beef gravy trays.
Oven temperatures are very uniform to [+ or -] 10[degrees]F so that there are no hot or cold spots.
The average temperature was between 6C and 8C but there were hot spots and cold spots.
The machines' unique cylindrical oven is now about 10% longer, which is said to increase productivity and energy efficiency by eliminating dead or cold spots.
In addition, Suprasec 1398 has a slower crystallization rate, decreasing the material's susceptibility to cold spots.