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.
Superior Canal Dehiscence. In SCD, vestibular symptoms are the most common and also the most debilitating. However, patients can also present with auditory symptoms, with or without vestibular symptoms. The following is a list of signs and symptoms associated with SCD.