'tweenbrain

See also: tweenbrain

English

Alternative forms

Etymology

From 'tween +‎ brain.

Noun

'tweenbrain (plural 'tweenbrains)

  1. (neuroanatomy) Synonym of diencephalon.
    • 1931, Medicine: Tweenbrain & Stomach:
      Deep within the brain is a biologically ancient section called the diencephalon or tweenbrain.
    • 2007, Robb S. Rehberg, Sports Emergency Care: A Team Approach:
      The brainstem constituents include the medulla oblongata, pons varolii, midbrain, and tweenbrain.