Medical Dictionary

filum terminale

noun fi·lum ter·mi·na·le
\ˈfī-ləm-ˌtər-mə-ˈnā-(ˌ)lē, ˈfē-ləm-ˌter-mə-ˈnäl-ˌā\
plural fi·la ter·mi·na·lia \ˈfī-lə-tər-mə-ˈnā-lē-ə, ˈfē-lə-ˌter-mə-ˈnäl-ē-ə\

Medical Definition of FILUM TERMINALE

:  the slender threadlike prolongation of the spinal cord below the origin of the lumbar nerves :  the last portion of the pia mater

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