Which term indicates an accumulation of crystalline depositions in articular surfaces, bones, soft tissue, and cartilage?

Explanation:

Tophi is a deposition of the mono sodium urate crystals who has high level of uric acid in the blood. This conditions known as hyperuricemia.

Tophi are indication of gout. Most of the people suffering from tophi might have previous attack of arthritis which eventually leads to tophi.

This is really painful and most of the pain occurs in the joints of the body.

reflection is the bouncing back of a propagating wave when it encounters a barrier; usually shows an image of the source of light wave

1) bounces back from an opaque material

2) bounces back from the boundary

3) seen in mirrors

refraction is the bending of a propagating wave having a shift of direction as it passes through different media; usually seen in lenses to magnify or lessen

1) passes through a prism

2) moves from one medium to another

3) seen in lenses