Definitions for pia materˈpaɪ ə ˈmeɪ tər, ˈpi ə

This page provides all possible meanings and translations of the word pia mater

Random House Webster's College Dictionary

pi•a ma•terˈpaɪ ə ˈmeɪ tər, ˈpi ə(n.)

  1. the delicate, fibrous, and highly vascular membrane forming the innermost of the three coverings of the brain and spinal cord.

    Category: Anatomy

    Ref: Compare arachnoid (def. 4), 6 dura mater.

Origin of pia mater:

1350–1400; ME < ML: lit., pious mother, erroneous trans. of Ar umm raqīqah tender mother

Princeton's WordNet

  1. pia mater(noun)

    the highly vascular innermost of the 3 meninges

Wiktionary

  1. pia mater(Noun)

    The inner most of the meninges membranes that surround the brain and spinal cord.

Webster Dictionary

  1. Pia mater

    the delicate and highly vascular membrane immediately investing the brain and spinal cord

Freebase

  1. Pia mater

    Pia mater often referred to as simply the pia, is the delicate innermost layer of the meninges, the membranes surrounding the brain and spinal cord. The word finds its roots in Latin, meaning literally "tender mother." The other two meningeal membranes are the dura mater and the arachnoid mater. Pia mater is a thin fibrous tissue that is impermeable to fluid. This allows the pia mater to enclose cerebrospinal fluid. By containing this fluid the pia mater works with the other meningeal layers to protect and cushion the brain. The pia mater allows blood vessels to pass through and nourish the brain. The perivascular space created between blood vessels and pia mater functions as a lymphatic system for the brain. When the pia mater becomes irritated and inflamed the result is meningitis.

U.S. National Library of Medicine

  1. Pia Mater

    The innermost layer of the three meninges covering the brain and spinal cord. It is the fine vascular membrane that lies under the ARACHNOID and the DURA MATER.

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