The fibrous membrane forming the outer of the three coverings that surrounds the brain within the cranial cavity; consists of two layers including the periosteal layer and the meningeal layer. [ MP:0009025 ]
Synonyms: dura mater of brain dura mater cranialis cranial dura mater dura mater encephali
Term information
- SCTID:309321003
- UMLS:C0459393 (ncithesaurus:Cerebral_Dura_Mater)
- NCIT:C49332
- VHOG:0000270
- EMAPA:32668
- FMA:71236
- MA:0000815
pheno_slim
The outermost and densest membrane of the three mammalian meninges covering the brain and spinal cord. [Elsevier's_encyclopaedic_dictionary_of_medicine, Part_B:_Anatomy_(1988)_Amsterdam_etc.:_Elsevier, adapted_from_Dorian_AF][VHOG]
In fishes, the meninges consist of a single membrane, the primitive meninx, wrapped around the brain and spinal cord. With the adoption of terrestrial life, the meninges doubled. In amphibians, reptiles, and birds, the meninges include a thick outer dura mater derived from mesoderm and a thin inner secondary meninx. (...) In mammals, the dura mater persists, but division of the secondary meninx yields both the arachnoid and the pia mater from ectomesoderm.[well established][VHOG]