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Showing results for diencephalon. Search instead for diencephala.

diencephalon

American  
[dahy-en-sef-uh-lon] / ˌdaɪ ɛnˈsɛf əˌlɒn /

noun

Anatomy.

plural

diencephalons, diencephala
  1. the posterior section of the forebrain.


diencephalon British  
/ ˌdaɪɛnsɪˈfælɪk, ˌdaɪɛnˈsɛfəˌlɒn /

noun

  1. the part of the brain that includes the basal ganglia, thalamus, hypothalamus, and associated areas

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

  • diencephalic adjective

Etymology

Origin of diencephalon

From New Latin, dating back to 1880–85; see origin at di- 3, encephalon

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The rest of the brain, the spinal cord, and the PNS all send information to the cerebrum through the diencephalon.

From Textbooks • Jun. 19, 2013

The retina, which began as part of the diencephalon, is primarily connected to the diencephalon.

From Textbooks • Jun. 19, 2013

The etymology of the word diencephalon translates to “through brain.”

From Textbooks • Jun. 19, 2013

The third ventricle is the space between the left and right sides of the diencephalon, which opens into the cerebral aqueduct that passes through the midbrain.

From Textbooks • Jun. 19, 2013

Recall that the hypothalamus, part of the diencephalon of the brain, sits inferior and somewhat anterior to the thalamus.

From Textbooks • Jun. 19, 2013