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archencephalon

American  
[ahr-ken-sef-uh-lon] / ˌɑr kɛnˈsɛf əˌlɒn /

noun

Embryology.

  1. the primitive forebrain region of the embryo, anterior to the notochord, that gives rise to the midbrain and forebrain.

Etymology

Origin of archencephalon

arch- 2 + encephalon

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.