I discovered microscopic pieces of metal in the tissues immediately inside the entrance wound.

Riker knew the markings were the result of microscopic pieces of wreckage from the Bennett hitting the nickel-iron asteroid at close to lightspeed.

But on slate, the only bond is mechanical, as microscopic pieces of chalk bond onto the roughness of the slate.

Not just fingerprints but microscopic pieces of our skin or hair can definitively trace our whereabouts.

In addition to the trace evidence already mentioned, we found microscopic pieces of insects.

From the plicae circulares project microscopic finger-like pieces of tissue called villi (Latin for "shaggy hair").

But if you observe closely, my friend, you will notice a microscopic piece of paper adhering to the pipe.

You don't have to look at some microscopic piece of leaf.

This can lead to microscopic pieces of make-up in the eyelid for days causing infection.

This is a microscopic piece of disc material that breaks off and becomes lodged in a spinal artery.