Meaning of nucleus ambiguus in English:

nucleus ambiguus

Pronunciation /ˌnjuːklɪəs amˈbɪɡjʊəs/

noun

Anatomy
  • A longitudinal column of cells in the medulla oblongata which supplies motor fibres to the vagus, glossopharyngeal, and accessory nerves (innervating the pharynx and larynx), and parasympathetic fibres to the vagus (innervating the heart).

Origin

Late 19th century. From scientific Latin nucleus ambiguus from classical Latin nucleus + ambiguus.