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terminal filum

 

Definition: a long connective tissue (pia mater) strand extending from the extremity of the medullary cone to the inner aspect of the spinal dural sac (pial part of filum terminale [TA], * filum terminale internum); continuous with stout strands of connective tissue attaching the spinal dural sac to the coccyx (dural part of filum terminale [TA], * coccygeal ligament, and * filum terminale externum).

Synonym(s): filum terminaleTA, nervus impar, terminal thread

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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