Itch, he explains, is the body’s way of detecting threats such as skin infections before they can take hold. Subscribe to Technology Networks’ daily newsletter, delivering breaking science news ...

A Thelazia infection, called Thelaziasis, can “cause mild to severe signs and lesions, such as foreign body sensation, ...

The growth of new segments (body parts) in marine worms is controlled by a special growth zone, in which special stem cells are located. New segments then emerge by the division of these cells.

The growth of new segments (body parts) in marine worms is controlled by a special growth zone, in which special stem cells are located. New segments then emerge by the division of these cells.

Parasites are organisms that survive by living on or inside a host body and feeding off its nutrients. They have the ability to inflict various health issues like digestive problems, fatigue ...

The cells that turn into sperm and eggs make up more than half its body. "It's basically a gut and two gonads," McNally said. But the little worm also shares some surprising affinities with us.

A worm is a long, creeping animal, with a soft, often segmented body. They don't have legs but instead are covered in hairs or bristles that help them to move. They breathe through their skin ...