stri·​a·​tum strī-ˈā-təm How to pronounce striatum (audio)
plural striata strī-ˈā-tə How to pronounce striatum (audio)
: corpus striatum
especially : the part of the corpus striatum consisting of the caudate nucleus and putamen

Example Sentences

Recent Examples on the Web Stimulation to the ventral striatum has also produced the same sort of laughter and mood elevation that Bijanki saw, Sheth says. Nathaniel Scharping, Discover Magazine, 22 Feb. 2019 Weafer and her colleagues found that neural activity in the striatum corresponded to how stimulated alcohol made the participants feel. Richard Sima, Anchorage Daily News, 29 Dec. 2022 The circuit diagram focuses on the links among the central thalamus, the cortex, and regions (such as the globus pallidus and the striatum) that closely regulate the level of stimulation between cortex and thalamus. Kat Mcgowan, Discover Magazine, 5 July 2011 And inhibiting the direct pathway in the dorsomedial striatum – an area involved in decision-making – also altered the mice’s behavior. Sam Walters, Discover Magazine, 7 July 2022 While this inflammatory response does diminish over time in the body’s organs, these transcriptional changes persist much longer in the olfactory bulbs, striatum, thalamus and cerebellum. Robin Lloyd, Scientific American, 7 Feb. 2022 So the scientists focused their attention on the ventral striatum of the dogs. Carl Zimmer, Discover Magazine, 11 May 2012 Researchers have looked at the striatum, a structure buried inside the middle of the brain, to better understand our habits. Sahar Arshad, Discover Magazine, 3 Apr. 2021 Being pleasantly buzzed also releases dopamine and increases activity in the striatum, a key brain region associated with rewarding stimuli. Richard Sima, Anchorage Daily News, 29 Dec. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'striatum.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1882, in the meaning defined above

Time Traveler
The first known use of striatum was in 1882

Dictionary Entries Near striatum

Cite this Entry

“Striatum.” Dictionary, Merriam-Webster, Accessed 28 Mar. 2023.

Medical Definition


stri·​a·​tum strī-ˈāt-əm How to pronounce striatum (audio)
plural striata -ˈāt-ə How to pronounce striatum (audio)
Last Updated: - Updated example sentences
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