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Pia mater

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Pia mater
Gray770
Diagrammatic transverse section of the medulla spinalis and its membranes. (At border, dura mater is black line, arachnoid is blue line, and pia mater is red line.)
Latin '
Gray's subject #193 878
System
MeSH A08.186.566.731
Gray767
The medulla spinalis and its membranes.

The pia mater (Latin: "tender mother", itself a translation from Arabic) is the delicate innermost layer of the meninges - the membranes surrounding the brain and spinal cord.

The thin, mesh-like pia mater closely envelops the entire surface of the brain, running down into the fissures of the cortex. It joins with the ependyma which lines the ventricles to form choroid plexuses that produce cerebrospinal fluid.



Meninges of the brain and medulla spinalis

Dura mater - Falx cerebri - Tentorium cerebelli - Falx cerebelli - Arachnoid mater - Subarachnoid space - Cistern - Cisterna magna - Median aperture - Cerebrospinal fluid - Arachnoid granulation - Pia mater

es:Piamadre

fr:Pie-mère sv:Pia mater

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