pia mater

pia ma·ter

noun \ˈpī-ə-ˌmā-tər, ˈpē-ə-ˌmä-\

Definition of PIA MATER

: the thin vascular membrane that invests the brain and spinal cord internal to the arachnoid and dura mater

Origin of PIA MATER

Middle English, from Medieval Latin, from Latin, tender mother

First Known Use: 14th century

Rhymes with PIA MATER

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