The vagus and the cranial root (accessory portion) of the accessory nerve, regarded as one nerve. ... See: accessory nerve. ... (05 Mar 2000) ... 
Type: Term Pronunciation: vā′gō-ak′ses-sō′rē-ŭs Definitions: 1. The vagus and the cranial root (accessory portion) of the accessory nerve, regarded as one nerve. See: accessory nerve [CN XI]