| umls-concept:C0025285 | skos:definition | MSH: The three membranes that cover the BRAIN and the SPINAL CORD. They are the dura mater, the arachnoid, and the pia mater.,CSP: three membranes covering of the brain and spinal cord; named the dura mater, pia mater and arachnoid.,NCI: The three thin layers of tissue that cover and protect the brain and spinal cord.,NCI: Any one of three membranes that surround the brain and spinal cord. (NCI),NCI: Any one of three membranes that surround the brain and spinal cord. | lld:umls |
