into its different parts (telencephalon, diencephalon, metencephalon, and mesencephalon) that Otx2 and Otx1 protect the caudalization of the diencephalon and mesencephalon into metencephalon. See also Mesencephalon Telencephalon Myelencephalon List of regions in the human brain References Brainstem Central nervous system Cranial nerves Animal developmental biology