The archdeacon has visitors, one of whom desires a medical consultation.
"Then it is not true," resumed Coictier hotly, "that gout is an internal eruption; that a wound caused by artillery is to be cured by the application of a young mouse roasted; that young blood, properly injected, restores youth to aged veins; it is not true that two and two make four, and that emprostathonos follows opistathonos."

Who can tell us what "emprostathonos" amd "opistathonos"
mean?