Meaning & use
Pia
Last updated
The pia mater, the delicate innermost membrane that closely covers the brain and spinal cord.
See it in a sentence
The surgeon carefully avoided damaging the pia during the procedure.
The pia is rich in blood vessels that nourish the brain's surface.
A note on using this word
Latin for 'tender' or 'soft mother', reflecting how closely it clings to the brain.
Words with a similar meaning
pia mater
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