The diencephalon (or interbrain) is the region of the brain that includes the thalamus, hypothalamus, epithalamus, prethalamus or subthalamus and pretectum. The diencephalon is located at the midline of the brain, above the mesencephalon of the brain stem. The diencephalon contains the zona limitans intrathalamica as morphological boundary and signalling center between the prethalamus and the thalamus.

Organization

• diencephalon
  • mid-diencephalic territory
    • prethalamus
    • zona limitans intrathalamica
    • thalamus
  • hypothalamus
  • epithalamus
  • pretectum

Roles

The diencephalon is the part of the forebrain that contains such important structures as the thalamus, hypothalamus and the posterior portion of the pituitary gland. The hypothalamus performs numerous vital functions, most of which relate directly or indirectly to the regulation of visceral activities by way of other brain regions and the autonomic nervous system.

See also

• List of regions in the human brain

External links

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