Facial Colliculus is seen in:
B i.e., Pons Facial colliculus is a slight elevation in the rhomboid fossa (or floor of zIth ventricle) produced by the fibers from motor nucleus of facial nerve looping over abducent (motor) nucleus. It lies at the inferior end of medial eminence in pons.
Midbrain
Pons
Medulla
Interpeduncular foosa