plural noun (singular meninx)Anatomy
The three membranes (the dura mater, arachnoid, and pia mater) that line the skull and vertebral canal and enclose the brain and spinal cord.
- Moving inwards from the skull towards the brain, or from the vertebral canal towards the spinal cord, the three meninges are: dura mater or pachymeninx (Greek pachy, meaning thick), arachnoid mater, and pia mater.
- In infants and children, the most common reason for doing a lumbar puncture is to look for an infection of the meninges, the membrane covering the brain and spinal cord.
- Coxsackie viruses can also cause meningitis, an infection of the meninges (the three membranes that envelop the brain and spinal cord), and rarely, encephalitis, a brain infection.
- Example sentences
- The innermost meningeal layer, the pia mater, is closely applied to the surface of the brain tissue and carries many small arteries and veins.
- Triptans work by vasoconstricting the meningeal blood vessels.
- Pigmented primary intracranial tumors other than meningeal melanocytomas and melanomas are rare.
Modern Latin, from Greek mēninx, mēning- 'membrane'.
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