telencephalon

noun

tel·en·ceph·a·lon ˌte-len-ˈse-fə-ˌlän

-lən

: the anterior subdivision of the embryonic forebrain or the corresponding part of the adult forebrain that includes the cerebral hemispheres and associated structures

telencephalic

ˌte-ˌlen(t)-sə-ˈfa-lik

adjective

Examples of telencephalon in a Sentence

Recent Examples on the Web But regeneration of the telencephalon calls on stem cells to save the day, just like the flatworm. —

Sofia Quaglia, Discover Magazine, 6 Feb. 2023 Our team decided to focus on the telencephalon of the axolotl. —

Ashley Maynard, The Conversation, 1 Sep. 2022 In humans, the telencephalon is the largest division of the brain and contains a region called the neocortex, which plays a key role in animal behavior and cognition. —

Ashley Maynard, The Conversation, 1 Sep. 2022

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'telencephalon.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin, from telo- + encephalon

First Known Use

1893, in the meaning defined above

Time Traveler

The first known use of telencephalon was in 1893

See more words from the same year

Cite this Entry

Style

“Telencephalon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/telencephalon. Accessed 30 Sep. 2023.

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Medical Definition

telencephalon

noun

tel·en·ceph·a·lon ˌtel-en-ˈsef-ə-ˌlän, -lən

plural telencephala -lə

or telencephalons

: the anterior subdivision of the embryonic forebrain or the corresponding part of the adult forebrain that includes the cerebral hemispheres and associated structures