Sectional diagram; Vierordt's sphygmograph.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Sectional diagram; Vierordt's sphygmograph. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Sectional diagram; Vierordt's sphygmograph. Wellcome Collection. Source: Wellcome Collection.