Figure 1. Wood print depicting a man passing a strobila of a broad tapeworm. The caption (not shown) said, “The man ate masu salmon. After a time, a strange object emerged from the anus and was pulled out: it turned out to be 2–3 m long.” From Shinsen Yamaino Soushi, by Daizennosuke Koan (1850). Courtesy of the Tohoku University Medical Library.