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
Examples of telencephalon in a Sentence
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But regeneration of the telencephalon calls on stem cells to save the day, just like the flatworm.
—
Sofia Quaglia, Discover Magazine, 6 Feb. 2023
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
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Sofia Quaglia, Discover Magazine, 6 Feb. 2023
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
Cite this Entry
“Telencephalon.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/telencephalon. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
telencephalon
noun
tel·en·ceph·a·lon
ˌtel-en-ˈsef-ə-ˌlän, -lən
plural telencephala
-lə
or telencephalons
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
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