Pia mater

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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A delicate vasculated fibrous membrane firmly adherent to the glial capsule of the brain (p. cranialis [TA]) and spinal cord (p. spinalis [TA] or membrana limitans gliae); following exactly the outer markings of the cerebrum and also the ependymal lining circumference of the choroid membranes and plexus, it invests the cerebellum but not so intimately as it does the cerebrum, not dipping down into all the smaller sulci. The p. and the arachnoid are collectively called leptomenin [TA], as distinguished from dura mater or pachymeninx. SYN: pia. [L. tender, affectionate mother]

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pia ma·ter -'māt-ər n the delicate and highly vascular membrane of connective tissue investing the brain and spinal cord, lying internal to the arachnoid and dura mater, dipping down between the convolutions of the brain, and sending an ingrowth into the anterior fissure of the spinal cord called also pia

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see pia mater, under P.

Medical dictionary. 2011.

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Look at other dictionaries:

  • Pia Mater — Pia Ma|ter die; <aus gleichbed. (m)lat. pia mater, eigtl. »fromme Mutter«, wohl weil die Hirnhaut das Gehirn wie eine Mutter ihr Kind mit den Armen umfängt> Kurzbez. für ↑Pia Mater Encephali u. ↑Pia Mater Spinalis (Med.) …   Das große Fremdwörterbuch

  • Pia mater —   [lateinisch, eigentlich »fromme Mutter«] die, , innerer Teil der weichen Gehirnhaut, der aus gefäßreichem, mit weiten, faserhaltigen Interzellularräumen versehenem Bindegewebe besteht. (Gehirnhäute)   * * * Pia Ma|ter, die; [mlat. pia mater,… …   Universal-Lexikon

  • Pia mater — Pi a ma ter [NL., fr. L. pia (fem. of pius tender, kind) + mater mother.] (Anat.) The delicate and highly vascular membrane immediately investing the brain and spinal cord. [1913 Webster] …   The Collaborative International Dictionary of English

  • PIA MATER — (лат. мягкая оболочка; син.: meninx vasculosa, tunica propria), тонкая, богатая сосудами пластинка, к рая, плотно срастаясь с поверхностью головного мозга, выстилает не только все его борозды, но проникает и в желудочки мозга, образуя там… …   Большая медицинская энциклопедия

  • pia mater — [pī′ə māt′ər] [ME < ML (lit., gentle mother < fem. of L pius, tender, PIOUS + mater,MOTHER1): used as transl. of Ar al umm al raqīqa] the vascular membrane immediately enveloping the brain and spinal cord and surrounded by the arachnoid and …   English World dictionary

  • Pia mater — (lat.), die innerste Haut um Gehirn und Rückenmark …   Meyers Großes Konversations-Lexikon

  • Pia mater — (lat., »fromme Mutter«), die weiche Hirnhaut; P. m. spinālis, die weiche Rückenmarkshaut …   Kleines Konversations-Lexikon

  • Pia mater — ⇒ Hirnhäute …   Deutsch wörterbuch der biologie

  • pia-máter — s. f. [Anatomia] A mais interna das três membranas que envolvem o aparelho cerebrospinal …   Dicionário da Língua Portuguesa

  • Pia mater — Die gefäßdurchzogene Dura mater in einer Abbildung von Andreas Vesalius (1543) Als die Hirnhaut (fachsprachlich die Meninx encephali, Plural Meningen, von griechisch μῆνιγξ, méninx Hirnhaut) bezeichnet man die Bindegewebsschichten, die das Gehirn …   Deutsch Wikipedia

  • Pia mater — Infobox Anatomy Name = PAGENAME Latin = GraySubject = 193 GrayPage = 878 Caption = Diagrammatic transverse section of the medulla spinalis and its membranes. (At border, dura mater is black line, arachnoid mater is blue line, and pia mater is red …   Wikipedia

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