Meanings
- not comparableLocated outside of the theca (any sense).
Antimyelin antibodies are produced in an extrathecal site, as occurs in Sydenham's chorea.
2015, Yehuda Shoenfeld, Nancy Agmon-Levin, Noel R Rose, Infection and Autoimmunity, →ISBN, page 5072 more examples
These clinical and imaging features are highly suggestive of CSF leak in a patient with SIH syndrome, but more definitive diagnosis is achieved with demonstration of extrathecal CSF collections on spinal imaging (Fig. 10.13).
2016, Neuroimaging, →ISBN, page 203Numerous extrathecal developments have been recognized in graptolites, and are here discussed in relation to their position on the colony and the precise development.
2017, Jörg Maletz -, Graptolite Paleobiology, →ISBN, page 45
Origin
Cite this entry
extrathecal. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/extrathecal
“extrathecal.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/extrathecal. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “extrathecal,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/extrathecal.
Source: extrathecal on Wiktionary, CC BY-SA 4.0.