Source:http://linkedlifedata.com/resource/umls/id/C0349231
MSH: Anxiety disorders in which the essential feature is persistent and irrational fear of a specific object, activity, or situation that the individual feels compelled to avoid. The individual recognizes the fear as excessive or unreasonable.,CSP: anxiety disorder characterized by intense, unrealistic, persistent fear and avoidance of an object, activity, or situation.,MEDLINEPLUS: <p>A phobia is a type of <a href='http://www.nlm.nih.gov/medlineplus/anxiety.html'>anxiety disorder</a>. It is a strong, irrational fear of something that poses little or no actual danger. There are many specific phobias. Acrophobia is a fear of heights. You may be able to ski the world's tallest mountains but be unable to go above the 5th floor of an office building. Agoraphobia is a fear of public places, and claustrophobia is a fear of closed-in places. If you become anxious and extremely self-conscious in everyday social situations, you could have a social phobia. Other common phobias involve tunnels, highway driving, water, f