This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Brain , Subject name: Anatomy
Nucleus intercalatus is seen in 
Select and explain. 
A. Frontal lobe, B. Medulla, C. Temporal lobe, D. Midbrain
B: Medulla
Answer: B: Medulla 
Explanation: Nucleus intercalates is present in the medulla at the level of olives between the dorsal nucleus of the vagus nerve (lateral to the intercalated nucleus) and the nucleus of the hypoglossal nerve. Probably involved in the control of the vestibuloocular reflex and may contribute to the veical neural integrator. (Ref: vishram Singh textbook of clinical neuroanatomy second edition pg 77)