The<unk>  (Greek χίασμα, "crossing", from the Greek χλαζειν 'to mark with an X', after the Greek letter 'Χ', chi) is the part of the brain where the<unk>  nerves partially cross.
Optic chiasm
Cochlear nuclei
Vestibular nuclei
Optic tract
Optic stalk
Cranial nerve nucleus
Trigeminal nerve nuclei
Olivary body