Nails, hair & skin

Bruises are also known as contusions. They form when blood vessels rupture and blood seeps into the tissues, usually following a knock to the skin.

Measles is highly contagious and is a very severe childhood disease rarely contracted by adults. Immunisation is now recommended for all children as this disease can have serious complications. This is an infectious viral disease, characterised by small red dots that occur all over the body.