extrathecal
adjEtymology From extra- + thecal.
1
Located 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 507:
- 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 203:
1 more example
- Numerous 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: