pia mater

American  

[pahy-uh may-ter, pee-uh] / ˈpaɪ ə ˈmeɪ tər, ˈpi ə /

noun

Anatomy.

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

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pia mater British  

/ ˈpaɪə ˈmeɪtə /

noun

1. the innermost of the three membranes (meninges) that cover the brain and spinal cord See meninges

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pia mater Scientific  

/ pī′əmā′tər,pē′əmä′tər /

1. The fine vascular membrane that closely envelops the brain and spinal cord under the arachnoid and the dura mater.

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Etymology

Origin of pia mater

First recorded in 1350–1400; Middle English, from Medieval Latin: literally, “pious mother,” erroneous translation of Arabic umm raqīqah “tender mother,” Arabic umm “mother” also serving as an indicator of relationship between things; cf. dura mater ( def. )

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Example Sentences

See Examples For:

pia mater

Blood vessels that are nourishing the central nervous tissue are between the pia mater and the nervous tissue.

From Textbooks ● Jun. 19, 2013

It then circulates through the ventricles and into the subarachnoid space, between the pia mater and the arachnoid mater.

From Textbooks ● Jun. 19, 2013

The outermost layer is the dura mater, the middle layer is the web-like arachnoid mater, and the inner layer is the pia mater, which directly contacts and covers the brain and spinal cord.

From Textbooks ● Apr. 25, 2013

Just within the bony brain case are the meninges made up of three separate coverings-the dura mater, the arachnoid and the pia mater.

From Time Magazine Archive

A tubercular arachnitis or lepto-meningitis presents the various products of an inflammation of the pia mater with an abundant formation of tubercles.

From A System of Practical Medicine by American Authors, Vol. I Volume 1: Pathology and General Diseases by Various

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