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Iodine is used as a contrast agent in angiography because it has much higher photoelectric absorption probability than tissues surrounding blood vessels.
Joints
Joints are the areas where two or more bones meet, allowing for movement and providing support to the skeletal structure.
Axial Skeleton
The central part of the skeleton, comprising the skull, spine, ribs, and sternum, responsible for supporting and protecting vital organs.
Vertebral Column
The spine or backbone, consisting of a series of vertebrae that encloses and protects the spinal cord.
Rib Cage
The set of bones around the chest that protects the heart, lungs, and other organs within the thorax.
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