Tokugawa medicine already included Chinese textual traditions, Japanese commentary, clinical practice, surgery, pharmacology, and earlier engagement with European knowledge. Kaitai Shinsho mattered because it strengthened a particular community of Dutch learning and supplied shared terminology, not because anatomy had previously been absent.
The translators' later memoirs made the project an origin story of scientific modernisation. Such recollections are valuable but retrospective: they organise uncertain labour into a purposeful beginning. Credit also concentrates on a few named scholars while printers, block cutters, informants, attendants, and the executed person's body recede from view.
Readers should compare editions and impressions. Woodblocks could be corrected, worn, or replaced; bindings could be separated; labels and prefatory material affected interpretation. A digitised page is a view of one surviving copy, not the entire publication history.