internal filum terminale
/ɪntˈɜːnəl ˈfɪləm ˈtɜːmɪnˌeɪl/
n
English · internal filum terminale中文 · 内终丝Español · filum terminal internoFrançais · cul-de-sac dural
意味：Terminal part of the dura mater extending to the second sacral vertebra.