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positron emission tomography


Definitions from WordNet

Noun positron emission tomography has 1 sense
  1. positron emission tomography, PET - using a computerized radiographic technique to examine the metabolic activity in various tissues (especially in the brain)
    --1 is a kind of imaging, tomography

Definitions from the Web

Term: Positron Emission Tomography


Positron Emission Tomography (PET) is a medical imaging technique used to observe metabolic processes and diagnose various conditions within the body. It involves the injection of a radioactive tracer, which emits positron particles. These particles interact with electrons in the body, creating gamma rays that are detected by the PET scanner. By analyzing the data obtained from the scanner, doctors can visualize and assess the functioning of organs and tissues.

Sample Sentences:

  1. The doctor recommended a positron emission tomography scan to better understand the extent of the tumor.
  2. Positron emission tomography can provide valuable information about brain activity in individuals with neurological disorders.
  3. Researchers are using positron emission tomography to study the effects of a new drug on the heart.

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