A partial or incomplete form of pia mater, the delicate innermost membrane surrounding the brain and spinal cord.
Medical Latin combining 'en-' with 'pia' (the thin membrane), using prefix meaning 'in' or 'into.' This is highly specialized neuroanatomical terminology.
Your brain is wrapped in three membrane layers like fancy packaging—the pia mater is the closest layer hugging your brain tissue, and 'enpia' refers to incomplete versions of this protective covering.
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