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Definitions of diencephalon

  1. the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalon Scrapingweb Dictionary DB
  2. The interbrain or thalamencephalon; - sometimes abbreviated to dien. See Thalamencephalon. Webster Dictionary DB
  3. The paired caudal parts of the prosencephalon from which the THALAMUS; HYPOTHALAMUS; EPITHALAMUS; and SUBTHALAMUS are derived. Medical Dictionary DB
  4. The inter-brain, between-brain, or 'tween-brain, the posterior division of the prosencephalon from which are developed the posterior part of the third ventricle, the optic thalami, pineal body, pituitary body, interpenduncular structures, and the optic nerve and retina. A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
  5. Middle brain containing pineal gland, etc. Warner's pocket medical dictionary of today. By William R. Warner. Published 1898.
  6. [Greek] Part of the fore-brain, comprising thalamencephalon, pars mamillaris hypothalami, and posterior part of third ventricle; between-brain, \'tween-brain, interbrain. na
  7. The interbrain or thalamencephalon; -- sometimes abbreviated to dien. See Thalamencephalon. mso.anu.edu.au
  8. A general term for the commissural structures (chiasm, optic tracts, etc.), lying at the base of the brain and in the middle line. na
  9. Midbrain. Thalamencephalon. Appleton's medical dictionary.
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