multiple sclerosis

Multiple Sclerosis (MS) Glossary

Glossary - O

• oculogyric crisis - a spasmodic attack; marked by fixation of the eyeballs in one position, usually upward. Also called oculogyric spasm
• oliguria - abnormal decrease in the production of urine
• ophthalmoplegia - paralysis of the motor nerves of the eye resulting in loss of some, or all, muscle movements of the eye
• oral leukoplakia - a condition, commonly considered precancerous, in which thickened white spots or patches occur on the mucous membranes especially of the mouth and vulva
• oral moniliasis - infection of the mouth with the fungus (yeast) Candida albicans
• otitis externa - inflammation of the ear often involving the external part of the auditory canal usually in response to an infection
• otitis media - inflammation of the middle ear (the area behind the eardrum) usually in response to an infection