Meninges
meninx).
The outside meninx is called the dura mater, and is the most resilient of the three. The center layer is the arachnoid membrane and the thin innermost layer is the pia mater. Inflammation of the meninges (meningitis) can occur due to bacterial infection.
See also meningitis article.
Read Also:
- Meningioma
A common type of slow-growing, usually benign brain tumor that arises from the dura, one of the meninges, the membranes covering the brain and spinal cord. A meningioma may occur wherever there is dura (the outermost of the three meninges), but the most common sites are over the cerebral hemispheres of the brain. Meningiomas are […]
- Meningitis
Inflammation of the meninges, the three membranes that envelop the brain and the spinal cord. Meningitis can be caused by infection by bacteria, viruses, and protozoa. Other causes include cancer (metastasis to the meninges), inflammatory diseases, and drugs. In some cases the cause of meningitis cannot be determined. The treatment depends on the cause of […]
- Meningitis vaccine
1906-1910) showed that college students who live on campus have triple the risk of acquiring meningococcal infection compared with their peers who live off-campus. Among the factors cited for a higher risk of the disease on campus were the relative crowding associated with dormitory residence, alcohol-related behaviors, and exposure to tobacco smoke. The same factors […]
- Meningitis, aseptic
Inflammation of the meninges that is not caused by bacterial infection. Viral meningitis is the most common cause of aseptic meningitis, but other causes include systemic lupus erythematosus, cancers, Behcet’s disease, medications, and others. See also meningitis, viral.
- Meningitis, bacterial
Inflammation of the meninges due to a bacterial infection. Haemophilus influenzae type B (HIB) was formerly the leading cause of bacterial meningitis before the 1990s, but childhood vaccinationshave reduced the occurrence of meningitis due to H. influenzae. Streptococcus pneumoniae and Neisseria meningitidis are the leading causes of bacterial meningitis. High fever, headache, and stiff neck […]