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Definition of Putamen
Medically reviewed by Min Clinic Staff | Updated: January 2026
Putamen: An area in the brain within a structure called the lentiform nucleus. The putamen may decrease in size as a result of damage in Huntington's disease.
The word "putamen" is from Latin, referring to that which falls off in pruning, from "puto", to prune. It is pronounced pyu-ta'men.