单词	meninges
释义	meninges /mɪˈnɪndʒiːz / 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. Derivatives meningeal /mɪˈnɪndʒɪəl / adjective ... 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. Origin Modern Latin, from Greek mēninx, mēning- 'membrane'.
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