Opisthotonos
opisthotonos op·is·thot·o·nos (ŏp’ĭs-thŏt’n-əs)
n.
A tetanic spasm in which the head and feet are drawn backward and the spine arches forward.
o·pis’tho·ton’ic (ə-pĭs’thə-tŏn’ĭk) adj.
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