Pia Mater

Pia mater ( /ˈpaɪ.ə ˈmeɪtər/ or /ˈpiː.ə ˈmɑːtər/) 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.

Read more about Pia MaterStructure, Function, Evolution, Pathology, Research Directions

Other articles related to "pia mater, mater":

List Of Subjects In Gray's Anatomy: IX. Neurology - The Brain or Encephalon (Gray's s186) - The Meninges of The Brain and Medulla Spinalis (Gray's s193) - Gray's page #879
... Pia mater Cranial pia mater Spinal pia mater Linea splendens Ligamentum denticulatum Filum terminale Central ligament of medulla spinalis ...
Pia Mater - Research Directions
... Research is constantly ongoing involving the pia mater ... based on the ultrastructural finding in human spinal pia mater in relation to subarachnoid anesthesia ... The group was researching whether or not fenestrations were present in the pia mater membrane, and the effect they have on the transfer of local anesthetics across ...
Meningitis - Mechanism
... The pia mater is a very delicate impermeable membrane that firmly adheres to the surface of the brain, following all the minor contours ... The arachnoid mater (so named because of its spider-web-like appearance) is a loosely fitting sac on top of the pia mater ... The subarachnoid space separates the arachnoid and pia mater membranes and is filled with cerebrospinal fluid ...
Meninges - Anatomy - Pia Mater
... The pia mater is a very delicate membrane ... The pia mater is pierced by blood vessels which travel to the brain and spinal cord, and its capillaries are responsible for nourishing the brain ...
Tela Chorioidea Of Fourth Ventricle
... tela chorioidea of the fourth ventricle is the name applied to the triangular fold of pia mater which is carried upward between the cerebellum and the medulla oblongata ... which form the lower part of the roof of the ventricle, and is continuous inferiorly with the pia mater on the inferior peduncles and closed part of the medulla ... TA A14.1.01, GA 9.749/9.872) Layers Dura mater Falx cerebri · Tentorium cerebelli · Falx cerebelli · Diaphragma sellae · Trigeminal cave Arachnoid mater ...