Having a brain with visible gyri (ridges); possessing a convoluted brain surface.
From 'gyrencephala' (animals with ridged brains) plus the adjective suffix '-ate'. Describes the anatomical feature of having a folded brain structure.
Gyrencephalate animals like us have brains folded like crumpled paper to fit more surface area into our skull—if your brain were smooth, you'd need a head three times bigger to get the same computing power!
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