Definition of "metencephalon" []

• The anterior part of the embryonic hindbrain, which gives rise to the cerebellum and pons. (noun)
• The cerebellum and pons of the adult brain. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It is customary to divide the rest of the hind-brain into two parts, viz., an upper, called the metencephalon, and a lower, the myelencephalon."
• "The pons is developed from the ventro-lateral wall of the metencephalon by a process similar to that which has been described for the medulla oblongata."
• "The cerebellum is developed by a thickening of the roof, and the pons by a thickening in the floor and lateral walls of the metencephalon."