The definition of a biennium is a period of two years. Your two-year cell phone contract is an example of a biennium. noun.
Symptoms of vestibular neuritis are characterised by a sudden onset of a constant, intense spinning sensation that is usually disabling and requires bed rest. It is often associated with nausea, vomiting, unsteadiness, imbalance, difficulty with vision and the inability to concentrate.
Vestibular neuritis and labyrinthitis are closely related disorders. Vestibular neuritis involves swelling of a branch of the vestibulocochlear nerve (the vestibular portion) that affects balance.ests to help determine if symptoms might be caused by vestibular neuritis include hearing tests, vestibular (balance) tests and a test to determine if a portion of the vestibulocochlear nerve has been damaged.