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Vertigo Learning Center

Peripheral vertigo occurs if there is a problem with the part of the inner ear that controls balance (vestibular labyrinth or semicircular canals) or with the vestibular nerve, which connects the inner ear to the brainstem.
Source:ADAM
Date:October 30, 2008
Multiple sclerosis is an autoimmune disease that affects the brain and spinal cord (central nervous system.
Source:ADAM
Date:July 4, 2009
Multiple sclerosis (MS) is a chronic autoimmune disorder affecting movement, sensation, and bodily functions. It is caused by destruction of the myelin insulation covering nerve fibers (neurons) in the central nervous system (brain and spinal cord).
Source:Gale Encyclopedia of Medicine
Multiple sclerosis (MS) is a chronic, degenerative disorder affecting the central nervous system (CNS), which is made up of the brain, spinal cord, and optic nerves. A fatty tissue called myelin coats and protects the nerve fibers in the CNS. When...
Source:Gale Encyclopedia of Genetic Disorders Part II
Multiple sclerosis is a chronic, degenerative disease of the central nervous system (CNS). The CNS is comprised of the brain and the spinal cord. In the CNS, the nerves are covered by a protective layer called the myelin sheath. Myelin helps keep ...
Source:Gale Encyclopedia of Alternative Medicine
Multiple sclerosis (MS) is a disorder that affects primarily the myelinated white matter of the central nervous system (CNS), the brain, optic nerves, and spinal cord. There is no known cause. Myelin is the fatty sheath that insulates nerve fibers...
Source:Gale Encyclopedia of Public Health
Multiple sclerosis (MS) is a chronic autoimmune disorder affecting movement, sensation, and bodily functions. It is caused by destruction of the myelin sheath (insulation) covering nerve fibers ( neurons ) in the central nervous system ( brain and...
Source:Gale Encyclopedia of Nursing and Allied Health
Multiple sclerosis is an inflammatory demyelinating disease of the central nervous system . The disease results in injury to the myelin sheath (the fatty matter that covers the axons of the nerve cells), the oligodendrocytes (the cells that produc...
Source:Gale Encyclopedia of Neurological Disorders
Motion sickness is a condition characterized by uncomfortable sensations of dizziness, nausea , and vomiting that people experience when their sense of balance and equilibrium is disturbed by constant motion. Riding in a car, aboard a ship or boat...
Source:Gale Encyclopedia of Alternative Medicine
Motion sickness is uncomfortable dizziness , nausea , and vomiting that people experience when their sense of balance and equilibrium is disturbed because their brain cannot make sense of conflicting information about their body's location in spac...
Source:Gale Encyclopedia of Children's Health
Motion sickness is the uncomfortable dizziness , nausea, and vomiting that people experience when their sense of balance and equilibrium is disturbed by constant motion. Riding in a car, aboard a ship or boat, or riding on a swing all cause stimul...
Source:Gale Encyclopedia of Medicine
A head injury is any trauma that leads to injury of the scalp, skull, or brain. The injuries can range from a minor bump on the skull to serious brain injury. Head injury is classified as either closed or open (penetrating. A closed head injury me...
Source:ADAM
Date:January 7, 2009
Injury to the head may damage the scalp, skull or brain. The most important consequence of head trauma is traumatic brain injury. Head injury may occur either as a closed head injury, such as the head hitting a car's windshield, or as a penetratin...
Source:Gale Encyclopedia of Medicine
Labyrinthitis is an ear disorder that involves irritation and swelling of the inner ear. See also: Meniere's disease
Source:ADAM
Date:September 27, 2008
Labyrinthitis is an inflammation of the inner ear that is often a complication of infection of the middle ear ( otitis media ). It is usually caused by the spread of bacterial or viral infections from the head or respiratory tract into the inner ear.
Source:Gale Encyclopedia of Children's Health
Labyrinthitis is an inflammation of the inner ear that is often a complication of otitis media . It is caused by the spread of bacterial or viral infections from the head or respiratory tract into the inner ear.
Source:Gale Encyclopedia of Medicine
Benign positional vertigo is condition in which a person develops a sudden sensation of spinning, usually when moving the head. It is the most common cause of vertigo.
Source:ADAM
Date:September 27, 2008
Benign positional vertigo (BPV) is the most common cause of dizziness due to an impairment of the balance center in the ear.
Source:Gale Encyclopedia of Neurological Disorders
A migraine is a common type of headache that may occur with symptoms such as nausea, vomiting, or sensitivity to light. In many people, a throbbing pain is felt only on one side of the head. Some people who get migraines have warning symptoms, cal...
Source:ADAM
Date:July 27, 2008
The following Clinical Topic Tour provides an overview of migraine headache and has been adapted from materials published by the National Institute of Neurological Disorders and Stroke.
Source:Elsevier
A headache signifies activation of the primary afferent fibers that innervate cephalic blood vessels, chiefly meningeal or cerebral blood vessels. Most nociceptive fibers innervating these structures arise from pseudounipolar neurons located within the trigeminal ganglia (first division), although some may be located within the upper cervical ganglia.
Source:Elsevier
Migraine is a type of headache marked by severe head pain lasting several hours or more.
Source:Gale Encyclopedia of Nursing and Allied Health
Migraine is a type of headache marked by severe head pain lasting several hours or more.
Source:Gale Encyclopedia of Medicine
Migraine is a type of headache marked by severe head pain lasting several hours or more.
Source:Gale Encyclopedia of Alternative Medicine
A virus is an infectious agent, often highly host-specific, consisting of genetic material surrounded by a protein coat.
Source:Gale Encyclopedia of Nursing and Allied Health
Meniere's disease is an inner ear disorder that affects balance and hearing. See also: Vertigo
Source:ADAM
Date:September 27, 2008
Ménière's disease is a disorder characterized by recurrent vertigo, sensory hearing loss, tinnitus, and a feeling of fullness in the ear. It is named for the French physician, Prosper Ménière, who first described the illness in 1861. Ménière's dis...
Source:Gale Encyclopedia of Neurological Disorders
Ménière's disease is a condition characterized by recurrent vertigo ( dizziness ), hearing loss , and tinnitus (a roaring, buzzing, or ringing sound in the ears).
Source:Gale Encyclopedia of Alternative Medicine
Meniere's disease is a condition characterized by recurring vertigo ( dizziness ), hearing loss , and tinnitus (a roaring, buzzing or ringing sound in the ears).
Source:Gale Encyclopedia of Medicine
Vertebrobasilar circulatory disorders are conditions in which blood supply to the back of the brain is disrupted. See also: Transient ischemic attack; Stroke.
Source:ADAM
Date:September 27, 2008
Cerebral vascular insufficiency is defined as insufficient blood flow to the brain. The most common cause of decreased blood flow is atherosclerosis of the arteries that supply blood to the brain.
Source:Gale Encyclopedia of Alternative Medicine
An acoustic neuroma is a noncancerous (benign), often slow-growing tumor of the nerve that connects the ear to the brain. It is located behind the ear right under the brain.
Source:ADAM
Date:June 12, 2009
An acoustic neuroma is a benign tumor involving cells of the myelin sheath that surrounds the vestibulocochlear nerve (eighth cranial nerve).
Source:Gale Encyclopedia of Cancer
A vestibular schwannoma is a type of benign (non-cancerous) tumor that affects the eighth cranial nerve.
Source:Gale Encyclopedia of Neurological Disorders
An acoustic neuroma is a benign tumor involving cells of the myelin sheath that surrounds the vestibulocochlear nerve (eighth cranial nerve).
Source:Gale Encyclopedia of Medicine
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