extrathecal - Weblio 英和・和英辞典 (original) (raw)
2015, Yehuda Shoenfeld, Nancy Agmon-Levin, & Noel R Rose, Infection and Autoimmunity, ISBN 0444632727, page 507:
Antimyelin antibodies are produced in an extrathecal site, as occurs in Sydenham's chorea.