isocenter(redirected from radiation isocenter)
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The convergence of the three axes of rotation in radiation therapy; the intersecting point of the axis of rotation of the gantry, the collimator, and the treatment couch.
isocenter(i?so-sent'er) [ iso- + center]
In radiation oncology, the point through which the central beam of the radiation passes. Synonym: radiation isocenter
The point at which optical beams intersect