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 team found the Cold Spot is not one giant void, but instead, is split into smaller voids, each of which are surrounded by clusters of galaxies with the same density as other places in the universe.
In 2003, Cold Spot expanded to a building off the Old Steese Highway, but it soon became obvious to Dubay that the site was too small.
It's statistically unlikely that the Cold Spot originates from primordial density variations.
The cold spot temperature was measured by a Fluke thermometer (51 [nth root of (term)] ).
Preheating, microwave heating, holding and cooling times, movement, setting up, and microwave power--the parameters for automatically processing 7-ounce beef gravy trays--were established by monitoring the temperature at the cold spot with a fiber optic sensor during the heating process.
They saw the cold spot in images taken by the Wilkinson Microwave Anisotropy Probe satellite.
A significant ingredient of what is happening here is most likely a cold spot on the ceiling as a result of a building defect or building feature.
Our group only considers a cold spot significant if we measure a drop in temperature of 15 degrees F or greater.
When viewed through Forward Looking Infrared sensors, the CIP shows up as a contrasting cold spot on the hot target image.
If one point in the cavity is hit by two waves (as a result of the "random" bouncing on the cavity's walls), and if those waves are in opposite phase, there will be a cold spot.
On the plus side, if your refrigerator has a cold spot, you may be able to quickly chill some items by placing them in this area.
amp;nbsp;Now, a team of astronomers, using the CRIRES instrument on the European Southern Observatory's Very Large Telescope (VLT), has spotted another massive weather system in the planet's atmosphere - one they call the "Great Cold Spot.