CLINICAL MEDICINE

Detailed explanation-1: -Body tissue is relatively radiolucent, while bone is relatively radiopaque. That’s why you see bones on an x-ray, but not skin and muscle.

Detailed explanation-2: -Structures that are cavities, depressions, or openings in bone such as a sinus, fossa, canal or foramen will allow x-rays to penetrate through them and expose the receptor. These areas will appear radiolucent or black on radiographic images.

Detailed explanation-3: -Dense bone absorbs much of the radiation while soft tissue (muscle, fat, and organs) allow more of the x-rays to pass through them. As a result, bones appear white on the x-ray, soft tissue shows up in shades of gray, and air appears black.

Detailed explanation-4: -The images show the parts of your body in different shades of black and white. This is because different tissues absorb different amounts of radiation. Calcium in bones absorbs x-rays the most, so bones look white. Fat and other soft tissues absorb less and look gray.