Skin is the soft outer tissue covering vertebrates. Other animal coverings, such as the arthropod exoskeleton, have different developmental origin, structure and chemical composition. The adjective cutaneous means of the skin. In mammals, the skin is an organ of the integumentary system made up of multiple layers of ectodermal tissue, and guards the underlying muscles, bones, ligaments and internal organs. Skin of a different nature exists in amphibians, reptiles, and birds. All mammals have s
Causes of Vertigo. Many times, vertigo is made worse by movement or changes in position. Two common causes of vertigo are labyrinthitis (inner ear infection) or a condition called Meniere's disease. Both of these conditions are caused by fluid fluctuations in the inner ear. The ear sends a message to the brain that the victim is moving, while the eyes send a different message.
Benign paroxysmal positional vertigo (BPPV) causes short episodes of intense dizziness (vertigo) when you move your head in certain directions. It it thought to be caused by tiny solid fragments (otoconia) in the inner ear labyrinth.