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epithalamus

American  
[ep-uh-thal-uh-muhs] / ˌɛp əˈθæl ə məs /

noun

Anatomy.

plural

epithalami

  1. the dorsal area of the diencephalon containing a habenula and the pineal gland.

Etymology

Origin of epithalamus

From New Latin, dating back to 1900–05; see origin at epi-, thalamus

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 cerebral aqueduct opens just inferior to the epithalamus and passes through the midbrain.

From Textbooks • Jun. 19, 2013

There are other structures, such as the epithalamus, which contains the pineal gland, or the subthalamus, which includes the subthalamic nucleus that is part of the basal nuclei.

From Textbooks • Jun. 19, 2013

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.