Scalp (Definition) 1  Scalp is the part of the skin on the skull, deeply attached to the skull and has the hair shafts from it.Rest of the skin in the head like facial skin(beard) has only 2 layers -epidermis and dermis. 2  Itching in the scalp can be triggered by a variety of causes. 3  Dandruff is when dead skin cells from the scalp shed.
Medical imaging is the technique and process of creating visual representations of the interior of a body for clinical analysis and medical intervention. Medical imaging seeks to reveal internal structures hidden by the skin and bones, as well as to diagnose and treat disease.
A radiographer or medical imaging technologist is a trained health professional who performs medical imaging by producing high quality X-ray pictures or images used to diagnose and treat injury or disease. Magnetic resonance imaging-three dimensional imaging test powered by a large magnet. 2  Fluoroscopy â X-ray test that examines the internal body and shows moving images on a screen like a movie. 3  Angiography-imaging of blood vessels and the heart.