Medical dictionary. 2011.
Nystagmus — Rapid rhythmic repetitious involuntary (unwilled) eye movements. Nystagmus can be horizontal, vertical or rotary. * * * Involuntary rhythmic oscillation of the eyeballs, either pendular or with a slow and fast component. [G. nystagmos, a nodding … Medical dictionary
convergence nystagmus — a rhythmic oscillation of the eyes, in which they have a rapid adduction movement relative to each other alternating with a slow abduction movement; usually caused by a tumor of the aqueduct of Sylvius, third ventricle, or midbrain. It is often… … Medical dictionary
syndrome — The aggregate of symptoms and signs associated with any morbid process, and constituting together the picture of the disease. SEE ALSO: disease. [G. s., a running together, tumultuous concourse; (in med.) a concurrence of symptoms, fr. syn,… … Medical dictionary
Parinaud's syndrome — Not to be confused with Parinaud s oculoglandular syndrome. Parinaud s syndrome Classification and external resources ICD 10 G … Wikipedia
sylvian syndrome — sylvian aqueduct syndrome impairment of vertical gaze, retraction nystagmus, convergence nystagmus, convergence spasms, and poor or absent reaction of the pupils (which are usually of normal size) to light or near vision. It is caused by a… … Medical dictionary
Posterior cerebral artery — Artery: Posterior cerebral artery Outer surface of cerebral hemisphere, showing areas supplied by cerebral arteries. (Yellow is region supplied by posterior cerebral artery.) … Wikipedia
Henri Parinaud — (1844 1905) was a French ophthalmologist and neurologist, most noted for his work in the field of neuro ophthalmology.Early lifeHenri Parinaud was born into a lower class family in 1844. His father died when Henri was only 19. He went on to study … Wikipedia
Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… … Medical dictionary
Duane syndrome — Classification and external resources ICD 10 H50.8 ICD 9 378.71 … Wikipedia
OREILLE HUMAINE — L’oreille a deux fonctions majeures qu’exercent deux parties anatomiques de l’oreille interne: le labyrinthe antérieur, ou cochléaire, qui sert à l’audition, et le labyrinthe postérieur, qui intervient dans l’équilibration. L’appareil cochléaire… … Encyclopédie Universelle
