Multiple Sclerosis (MS) Glossary
Glossary - D
- deafness - partial or complete loss of hearing; inability to perceive sound
- delirium - temporary state of mental confusion resulting from high fever, intoxication, shock, or other causes, and characterized by anxiety, disorientation, memory impairment, hallucinations, trembling, and incoherent speech
- delusions - gross misrepresentations of reality; false belief, strongly held despite evidence to the contrary, especially as a symptom of mental illness. Typical delusions include those of illness, persecution, romance, grandeur, and control.
- dementia - a group of symptoms involving progressive impairment of brain function.
- depersonalization - disorder affecting emotions and behavior where one's own sense of reality is temporarily lost or changed
- diabetes insipidus - a rare form of diabetes resulting from a deficiency of vasopressin (ADH - Antidiuretic hormone - the pituitary hormone that regulates the kidneys); leads to frequent urination and pronounced thirst
- diabetes mellitus - disease marked by high levels of sugar in the blood and urine; disorder of carbohydrate metabolism
- diplopia - double vision
- duodenal ulcer - ulcer situated in the duodenum
- dyspnea - difficulty in breathing; shortness of breath
- dystonia - a movement disorder of neurological origin characterized by sustained muscle contractions, usually producing twisting and repetitive movements or abnormal postures or positions