Nucleus ambiguous doesn&;t include
The nuclei of facial nerve are located in the pons.Nucleus ambiguous is an elongated column of typical motor neurons extending throughout the medulla.The fibres from nucleus ambiguous supplies muscles derived from 3,4 and 6 branchial arches. Cells in nucleus ambiguous contain motor neurons associated with three cranial nerves (rostral pole -C.N. IX glossopharyngeal; middle pa -C.N. X vagus; caudal pole -C.N. XI spine accessory).(Ref: Vishram Singh textbook of clinical neuroanatomy second edition pg 94)
7th nerve nucleus
9th nerve nucleus
10th nerve nucleus
11th nerve nucleus
Brain 