Scar tissue is tissue that develops when healthy skin is destroyed by trauma, such as a surgery, a burn, or an injury. Scars are thicker when they are repairing damage within skin's deeper layers.

Cellulitis is a skin infection that can occur when bacteria enter an open bug bite. Early treatment is crucial. Learn how to ...

Although outer-layer skin cells have been grown in laboratories ... were observed on the surface along with some associated tissues such as sebaceous glands, nerves, muscles and fat.