"Nucleus ambiguus" is present at: (A) Base of pons, (B) Midbrain, at level of superior colliculus, (C) Midbrain, at level of inferior colliculus, (D) Lateral medulla
Answer is D. The nucleus ambiguus is found in the lateral medulla; it gives rise to the SVE (Special visceral efferent fibers ) components of cranial nerves IX and X. fig:- crossection at the level of medulla(upper pa)