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Ontology Browser
Term:
Parent Terms Term With Siblings Child Terms
Conus terminalis arteriovenous malformation  
Tethered cord  
During normal embryological development, the spinal cord first occupies the entire length of the vertebral column but goes on to assume a position at the level of L1 due to differential growth of the conus medullaris and the vertebral column. The filum terminale is a slender, threadlike structure that remains after the normal regression of the distal embryonic spinal cord and attaches the spinal cord to the coccyx. A tethered cord results if there is a thickened rope-like filum terminale which anchors the cord at the level of L2 or below, potentially causing neurologic signs owing to abnormal tension on the spinal cord.

Synonyms
Exact Synonyms: Occult spinal dysraphism
Xrefs: MESH:D009436 ;   SNOMEDCT_US:70534000 ;   UMLS:C0080218
Definition Sources: HPO:curators

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