Plural of encephalon; refers to multiple brains or brain structures in medical or comparative anatomy contexts.
From Greek enkephalos (en- 'in' + kephale 'head'), the plural ending -a indicating multiple instances of brain tissue or structures.
This technical plural reveals how medical terminology borrows directly from ancient Greek—doctors still use the same words Hippocrates used over 2,000 years ago to talk about what's inside our heads.
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