arachnoid membrane

(redirected from Arachnoid mater)
Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to Arachnoid mater: pia mater
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.arachnoid membrane - the middle of the 3 meninges
meninges, meninx - a membrane (one of 3) that envelops the brain and spinal cord
leptomeninges - the two innermost layers of the meninges; cerebrospinal fluid circulates between these innermost layers
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Meningiomas arise from the meningiothelial layer of arachnoid mater and account for 20% of all intracranial tumours, making it the most common primary brain tumour.
The meninges are composed of three layers: the Pia mater, Arachnoid mater and the Dura mater; all are contiguous with their cranial counterparts.
SDE excision was carried out by craniotomy and an abscess (14 x 4 cm) between the dura mater and arachnoid mater was excised.
A natural cleavage plane between dura and arachnoid mater was noted during cadaveric dissections which contained sparse cellular and noncellular connective tissues [1].