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 ?
In (https://www.ras.org.uk/news-and-press/2982-new-survey-hints-at-exotic-origin-for-the-cold-spot) a statement Tuesday, Mackenzie said: "The voids we have detected cannot explain the Cold Spot under standard cosmology.
Cold Spot became a comfortable place for mushers to hang out and talk about their dogs, the trails, and exchange information on gear.
Cosmologists had therefore suggested that a supervoid spanning hundreds of millions of light-years could cause the Cold Spot: the energy lost would effectively create a cool fingerprint on the CMB.
Together, when we build a community of solution, we eliminate cold spots, which will also help cure the hot spots.
But these anomalies, which Planck confirmed, such as the cold spot, suggest that this isn't the case," he said.
Increasing the discharge current will elevate the cold spot temperature.
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.
They saw the cold spot in images taken by the Wilkinson Microwave Anisotropy Probe satellite.
for Andree Jalbert, 1952-2001 The small drops of moisture on the window pane crystallize into a single map leading from cold spot to cold spot * * * Across the valley the church sees the soul's ascent to heaven in plumes of white smoke rising skyward from the pulp mill * * * Under bright moonlight a blanket of ice weaves itself stitch by white stitch across the silent face of the St Lawrence * * * Hundreds of miles apart a man who wants his own country and a man who has the country he wants draw closer to their sleeping wives on such human strategies does our salvation depend * * * Orion keeping warm runs across the sky the one light from the depanneur in the village looks like home
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.
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. If the waves are in synchronized phase, there will be a hot spot.