Rays
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Rays (Medicine)
Rays (pronounced: /reɪz/) in the context of medicine, often refers to the application of various forms of radiation in diagnostic imaging and treatment. The term is derived from the Latin word 'radius', meaning 'beam'.
Types of Rays
- X-rays: These are a type of electromagnetic radiation, similar to light but with higher energy. They are used in medical imaging to visualize the internal structures of the body, particularly bones.
- Gamma rays: Gamma rays are a form of ionizing radiation that is extremely high-energy. They are used in medicine for radiation therapy, particularly in the treatment of cancer.
- Ultraviolet rays: Ultraviolet (UV) rays are a type of electromagnetic radiation that is less energetic than X-rays but more energetic than visible light. In medicine, UV rays are used in the treatment of skin conditions such as psoriasis and vitiligo.
- Infrared rays: Infrared rays are a type of electromagnetic radiation that is less energetic than visible light. In medicine, infrared rays are used in thermal imaging and in certain types of therapy, such as infrared light therapy for pain relief.
Related Terms
- Radiation: This is the emission of energy as electromagnetic waves or as moving subatomic particles. In medicine, radiation is used in both diagnostic imaging and in treatment, particularly of cancer.
- Radiology: This is the medical specialty that uses medical imaging to diagnose and treat diseases within the body.
- Radiation therapy: This is a type of cancer treatment that uses high doses of radiation to kill cancer cells and shrink tumors.
- Radiation oncology: This is a specialty of medicine that focuses on the use of radiation therapy as a treatment for cancer.
External links
- Medical encyclopedia article on Rays
- Wikipedia's article - Rays
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