X-ray - Wikipedia
An X-ray (also known in many languages as Röntgen radiation) is a form of high-energy electromagnetic radiation with a wavelength shorter than those of ultraviolet rays and longer than those of gamma rays.
X-ray: Imaging test quickly helps find diagnosis - Mayo Clinic
2024年1月20日 · An X-ray is a quick, painless test that captures images of the structures inside the body — particularly the bones. X-ray beams pass through the body. These beams are absorbed in different amounts depending on the density of the material they pass through. Dense materials, such as bone and metal, show up as white on X-rays.
X-rays - National Institute of Biomedical Imaging and …
X-rays are a form of electromagnetic radiation, similar to visible light. Unlike light, however, x-rays have higher energy and can pass through most objects, including the body. Medical x-rays are used to generate images of tissues and structures inside the body.
X-Ray: What It Is, What It Shows, Preparation & Types - Cleveland Clinic
2024年7月16日 · X-rays, or plain radiographs, are a way for providers to get pictures of the inside of your body. X-rays use radiation to create black-and-white images that a radiologist reads. X-rays are most commonly used to look at bones and joints, but providers can use them to quickly diagnose other conditions, like lung infections, too.
X-ray | Definition, History, & Facts | Britannica
2024年11月8日 · X-ray, electromagnetic radiation of extremely short wavelength and high frequency, with wavelengths ranging from about 10 −8 to 10 −12 metre and corresponding frequencies from about 10 16 to 10 20 hertz (Hz).
X-Rays - Johns Hopkins Medicine
X-rays use invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs on film or digital media. Standard X-rays are performed for many reasons, including diagnosing tumors or bone injuries.
X-Rays (Medical Test) - Purpose, Procedure, Risks, Results - WebMD
2024年10月2日 · X-rays are images that use small doses of ionized radiation to take pictures of the inside of your body called radiographs. Why Are X-Rays Done? X-rays can help...
X-Ray: Purpose, Procedure, and Risks - Healthline
2020年9月2日 · What is an X-ray? An X-ray is a common imaging test that’s been used for decades. It can help your doctor view the inside of your body without having to make an incision. This can help them...
Facts About X-Rays | Radiation and Your Health | CDC
2024年2月20日 · X-rays, formally referred to as radiographs, are common imaging procedures ordered by healthcare providers and dentists. X-ray machines pass x-ray beams (a form of ionizing radiation ) through a part of the body to produce images.
X-Rays - MedlinePlus
2024年8月24日 · X-rays are a type of radiation called electromagnetic waves. X-ray imaging creates pictures of the inside of your body. The images show the parts of your body in different shades of black and white.
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