| arachnitis | <medicine> Inflammation of the arachnoid membrane. Origin: Gr. +. Source: Websters Dictionary (01 Mar 1998) |
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| pia-arachnitis | <medicine> Inflammation of the pia mater or of the arachnoid membrane. Origin: NL, fr. Gr. Small + meningitis. Source: Websters Dictionary (01 Mar 1998) |
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