Functional disorder
Functional disorder
Functional disorder (pronunciation: /ˈfʌŋkʃənəl dɪsˈɔːdər/) is a medical condition that impairs the normal functioning of a bodily process, but where every part of the body looks completely normal under examination, dissection or even under a microscope. This is distinct from structural disorder in which the abnormality can be seen.
Etymology
The term "functional" comes from the Latin word functio meaning "performance, execution", and the term "disorder" comes from the Old French desordre meaning "lack of order". In the context of medicine, a functional disorder refers to a disorder where the function of an organ or body part is impaired, despite the structure being normal.
Related terms
- Psychosomatic medicine: A field of medicine that explores the impact of mental processes on physical health. Psychosomatic disorders, like functional disorders, often have no identifiable physical cause.
- Somatoform disorder: A mental disorder characterized by physical symptoms that suggest physical illness or injury. These symptoms cannot be explained fully by a general medical condition.
- Functional gastrointestinal disorders (FGIDs): These are disorders of gut-brain interaction. It is a group of disorders classified by GI symptoms related to any combination of the following: motility disturbance, visceral hypersensitivity, altered mucosal and immune function, altered gut microbiota, and altered central nervous system (CNS) processing.
- Functional neurological disorder (FND): A medical condition in which there is a problem with the functioning of the nervous system and how the brain and body send and receive signals, resulting in neurological symptoms.
External links
- Medical encyclopedia article on Functional disorder
- Wikipedia's article - Functional disorder
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