(redirected from pia-arachnoid)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to pia-arachnoid: Cerebral meninges
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.leptomeninges - the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers
meninges, meninx - a membrane (one of 3) that envelops the brain and spinal cord
arachnoid, arachnoid membrane - the middle of the 3 meninges
pia mater - the highly vascular innermost of the 3 meninges


n. leptomeninges, las membranas más finas del cerebro; la piamadre y la aracnoide.
References in periodicals archive ?
The other theory is that a haemorrhage under high pressure may lead to pia-arachnoid membrane rupture.
The pia-arachnoid was extremely congested over the hemispheres, with subarachnoid hemorrhage on the upper and lateral aspects and along the Sylvian fissures.
Pia-arachnoid and brain and spinal cord parenchyma did not appear grossly pigmented.