CATHODE RAYS
\kˈaθə͡ʊd ɹˈe͡ɪz], \kˈaθəʊd ɹˈeɪz], \k_ˈa_θ_əʊ_d ɹ_ˈeɪ_z]\
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A stream of positive or negative electrons ejected with high energy from a disintegrating atomic nucleus; most biomedically used isotopes emit negative particles (electrons or negatrons, rather than positrons). Cathode rays are low-energy negative electrons produced in cathode ray tubes, also called television tubes or oscilloscopes.
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Vertebral Artery Dissection
- Dissection wall artery, leading to formation an aneurysm that occlude vessel. Thrombus give rise emboli. Cervical fractures or related NECK INJURIES and CRANIOCEREBRAL TRAUMA are commonly associated conditions, although this process may occur spontaneously. Ischemia, infarction, hemorrhage in the vascular distribution of affected vertebral artery complicate condition.