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.
What causes vertigo? The inner ear is filled with fluid, a nerve, and small organs. These structures help you maintain your balance. Vertigo may be caused by diseases or conditions that affect your inner ear or the part of your brain that controls balance. Any of the following can cause vertigo: 1  Small particles that float in the inner ear fluid move out of place and cause irritation. 2  MÃ©niÃ¨re disease. 3  Ear trauma. 4  An inner ear infection. 5  A neurologic condition such as multiple sclerosis, migraine, tumor, or stroke. 6  Panic and anxiety disorders. 7  Drinking a large amount of alcohol.