striatum

noun

stri·​a·​tum strī-ˈā-təm 

plural striata strī-ˈā-tə 

: corpus striatum

especially : the part of the corpus striatum consisting of the caudate nucleus and putamen

Examples of striatum in a Sentence

Recent Examples on the Web

In at least two parts of the brain, a subset of neuroscientists believe that neurons may continue to form throughout life–the hippocampus and the ventral striatum. —Lauren Leffer, Popular Science, 3 July 2025

In a healthy brain, communications are relayed back and forth between dopamine neurons in two regions of the brain known as the striatum and the substantia nigra. —Ian Randall, MSNBC Newsweek, 1 July 2025

What's more, the researchers also observed that the brains of these mice had changed, with reward genes newly excited in the striatum. —New Atlas, 1 July 2025

Ting’s team used this technique, called optogenetics, to stimulate certain cells in the striatum of mice. —Allison Parshall, Scientific American, 2 June 2025

Word History

First Known Use

1882, in the meaning defined above

Phrases Containing striatum

• corpus striatum

Rhymes for striatum

• erratum
• substratum
• atom
• datum
• stratum
• heteroatom
• petrolatum

Medical Definition

striatum

noun

stri·​a·​tum strī-ˈāt-əm 

plural striata -ˈāt-ə 

1

: corpus striatum

2

: neostriatum