What does meningitis refer to?

Meningitis specifically refers to the inflammation of the protective membranes, known as the meninges, that cover the brain and spinal cord. This inflammation can result from various causes, including infections caused by viruses, bacteria, fungi, or even non-infectious factors such as certain medications or diseases.

Understanding that meningitis involves the meninges and not the brain tissue itself is crucial. It helps delineate it from other conditions like encephalitis, which involves inflammation of the brain tissue, or myelitis, which pertains to inflammation of the spinal cord. By recognizing that meningitis is about the protective coverings rather than the brain or spinal cord tissue directly, one can better understand the nature and implications of this condition. This clarity is essential in medical practice, as it guides both diagnosis and treatment approaches for patients presenting with symptoms indicative of meningitis.