[Finnish pet-sah-maw] /Finnish ˈpɛt sɑ mɔ/ noun 1. Finnish name of . /Finnish ˈpɛtsɑmɔ/ noun 1. the former name (1920–1944) for Pechenga
- PET scan
noun 1. an image obtained by positron emission tomography, using a PET scanner. 2. an examination performed with a PET scanner.
- PET scanner
noun 1. a tomographic imaging device that yields visual information about the ongoing activity of the brain: positron-emitting isotopes, incorporated into biologically important compounds, are injected intravenously or administered by inhalation, and the resultant gamma radiation is sensed by detectors and converted into computer-generated images of blood flow, oxygen utilization, glucose uptake, etc.
- PET scanning
noun 1. the action or process of using a PET scanner to obtain an image.