Lice are tiny parasites that live on human beings and feed on blood.

Larger, sharper fragments caught on the leather, like tiny parasites attempting to burrow through.

Your body's natural defense system (immune system) will make these antibodies only if you have been infected by this tiny parasite.

Or there were tiny parasites at work.

Some groups are tiny parasites on mammals and lack the typical pincers.

From this perspective, the birds seemed like carrion, she thought, or tiny, malevolent parasites.

Simeon interrupted: "Because his blood is full of tiny parasites like leeches."

The term comes from the shape of the tiny parasites, which look very different from head or body lice.

A virus is a tiny parasite which can infect living organisms.

Some tiny red parasite has got into the oysters in this part of the bay.