A small lobe or tuft-like structure, especially one of the small lobes of the cerebellum in the brain.
From Latin 'flocculus' (diminutive of 'floccus,' a lock of wool), literally 'a small woolly tuft,' applied to anatomical structures because they resemble tiny tufts.
Your brain has actual 'flocculi'—tiny lobes named for looking like wool—and they're critical for balance and coordinating your eyes with your head movements!
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