positron emission tomography

noun

1. the process of producing a PET scan.

positron emission tomography

noun

1. a technique for assessing brain activity and function by recording the emission of positrons from radioactively labelled substances, such as glucose or dopamine

positron emission tomography

1. Tomography in which a computer-generated image of metabolic or physiologic activity within the body is produced through the detection of gamma rays that are emitted when introduced radionuclides decay and release positrons. The images are used in the evaluation of coronary artery disease, epilepsy, and other medical disorders.

Word History and Origins

Origin of positron emission tomography¹

First recorded in 1975–80

Example Sentences

Another highly regarded method was PET, or positron emission tomography.

From The Daily Beast