betweenbrain

/bɪˈtwinˌbreɪn/
noun
  1. The part of the brain located between the cerebrum and the midbrain, including the thalamus and hypothalamus; also called the diencephalon.
    • Damage to the betweenbrain can affect sleep and body temperature.
    • In anatomy class, we studied the structure of the betweenbrain and its functions.
    • The betweenbrain plays a key role in relaying sensory information.
Synonyms
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