Macrophages are responsible for protecting tissues from foreign substances.

This protects healthy tissues more than conformal radiotherapy does.

Cytokines are proteins that are released by the cell to protect and repair tissues.

For some cuffs, a matching limb protection sleeve is available to help protect soft tissues under the cuff.

The plaque, which is often made of gold, helps protect nearby tissues from radiation damage.

Free radicals can damage cell membranes that protect tissues against attack by carcinogens.

The product of this gene is thought to protect the brain, lungs, and other tissues from oxidative stress.

Skin pigments such as melanin may protect tissues from sunburn by ultraviolet radiation.

But the researchers suggest that their work may someday lead to the use of spice extracts to protect healthy tissues in people undergoing radiation therapy.