Medical Definition of cerebellopontine angle
: a region of the brain at the junction of the pons and cerebellum that is a frequent site of tumor formation The most common causes of secondary trigeminal neuralgia are multiple sclerosis and acoustic neuroma; tumors and cysts in the cerebellopontine angle may also cause trigeminal neuralgia.—Emad Eskandar et al., The New England Journal of Medicine, 13 July 2006
Seen and Heard
What made you want to look up cerebellopontine angle? Please tell us where you read or heard it (including the quote, if possible).