See Inside Your Body

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MRI scans are painless. However, it is important to be as comfortable as possible during a scan, because you must keep the part of your body being scanned very still to avoid blurring the images. The part of your body that needs to be imaged is then exposed to X-rays for a fraction of a second. The X-rays hit the a negative plate (like an old film camera) or are captured by computers.

You will be asked to lie on a table or stand against a surface so that the part of your body being X-rayed. A radiographer will show you where to position yourself to ensure the best image is taken.Instead of shining the beam through the body in just one direction, the X-ray beam passes in a circle around the body and creates a picture ‘slice’ through the area.

The elastomer prevents dehydration of hydrogel,” says Chen, an MIT postdoc. “Only when hydrogel is highly hydrated can acoustic waves penetrate effectively and give high-resolution imaging of internal organs.” diagnosing conditions – including damage to bones, injuries to internal organs, problems with blood flow, strokes and cancerAfter each X-ray is completed, the couch on which you are lying moves forward a small distance and another image is taken. And with lots of slices, you can make pictures of the body from different angles and also 3D models. This helps doctors see larger areas of the body and the movement of things like blood flow.