- basilar l. inflammation of the arachnoid at the base of the brain; often found in chronic meningitis of tuberculous, luetic, or mycotic origin.
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lep·to·men·in·gi·tis -.men-ən-'jīt-əs n, pl -git·i·des -'jit-ə-.dēz inflammation of the pia mater and the arachnoid membrane
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n.
inflammation of the inner membranes (the pia mater and arachnoid) of the brain and spinal cord. See also meningitis.
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lep·to·me·nin·gi·tis (lep″to-men″in-jiґtis) [leptomeninges + -itis] inflammation of the leptomeninges.Medical dictionary. 2011.