cerebellopontine angle

noun
cer·​e·​bel·​lo·​pon·​tine angle | \ ˌser-ə-ˌbel-ō-ˌpän-ˌtēn-, -ˌtīn- How to pronounce cerebellopontine angle (audio) \

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