extrathecal en · ADJ
Etymology
From extra- + thecal.
Meanings
-
(not-comparable) 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: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: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: