
1) Brain membrane 2) Membrane around the brain
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https://www.crosswordclues.com/clue/pia-mater

Pia mater (ər or ər) often referred to as simply the pia, is the delicate innermost layer of the meninges, the membranes surrounding the brain and spinal cord. Pia mater is medieval Latin meaning `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.....
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http://en.wikipedia.org/wiki/Pia_mater

• The delicate and highly vascular membrane immediately investing the brain and spinal cord.
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http://thinkexist.com/dictionary/meaning/pia_mater/

(from the article `human embryology`) ...is transitional into the simpler spinal cord. Roof regions of the telencephalon, diencephalon, and myelencephalon differentiate the vascular ... The pia mater is the meningeal envelope that firmly adheres to the surface of the brain and spinal cord. It is a very thin membrane composed of ... [...
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http://www.britannica.com/eb/a-z/p/63

The delicate, innermost, mesh-like layer of the meninges. The 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. In the spinal cord,...
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http://www.daviddarling.info/encyclopedia/P/pia_mater.html

(pi´ә ma´tәr) (pe´ә mah´tәr) the innermost of the three meninges covering the brain and spinal cord.
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http://www.encyclo.co.uk/local/21001

Innermost of the three meningeal membranes that surround the brain, lying between the dura mater and the arachnoid layer. Contains a plexus of small blood vessels.
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Pi'a ma'ter [ New Latin , from Latin
pia (fem. of
pius tender, kind) +
mater mother.]
(Anat.) The delicate and highly vascular membrane immediately investing the brain and spinal cord.
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http://www.encyclo.co.uk/webster/P/82

The innermost membrane covering the brain.
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http://www.gadsbywicks.co.uk/uploaded/3822.pdf

Type: Term Pronunciation: pī′ă mā′tĕr, pē′ă mah′tĕr Definitions: 1. A delicate vasculated fibrous membrane firmly adherent to the glial capsule of the brain (pia mater cranialis [TA]) and spinal cord (pia mater spinalis [TA] or membrana limitans gliae); following exactly the outer markings ...
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http://www.medilexicon.com/medicaldictionary.php?t=68866

Pia mater: One of the meninges, the pia mater is the delicate innermost membrane enveloping the brain and spinal cord. It is known informally as the pia.
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http://www.medterms.com/script/main/art.asp?articlekey=4892

(pi;ua ma;ter) The innermost meninx that is in direct contact with the brain and spinal cord.
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http://www.mhhe.com/biosci/abio/glossary.mhtml

The pia mater is the thin, compact membrane covering the brain and spinal cord which carries blood vessels which supply the central nervous system.
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http://www.probertencyclopaedia.com/browse/EP.HTM

[
n] - the highly vascular innermost of the 3 meninges
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http://www.webdictionary.co.uk/definition.php?query=pia%20mater

fragile and innermost membrane layer surrounding the brain
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https://courses.lumenlearning.com/microbiology/chapter/glossary/
noun the highly vascular innermost of the 3 meninges
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https://www.encyclo.co.uk/local/20974
No exact match found.