| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| External-beam radiation | Religion | Radiation therapy that uses a machine to aim high-energy rays at the cancer. Also called external radiation. (references) | |
| Stereotactic external-beam radiation | Religion | A radiation therapy technique for brain tumors that uses a rigid head frame attached to the skull. The frame is used to help aim high-dose radiation beams directly at the tumors and not at normal brain tissue. This procedure does not involve surgery. Also called stereotactic radiation therapy, stereotactic radiosurgery, and stereotaxic radiosurgery. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||