Portal vein (fig. 2); spinal cord (figs 3-4) after Huber. Engraving by Benard, late 18th century.

Licence: Public Domain Mark

Credit: Portal vein (fig. 2); spinal cord (figs 3-4) after Huber. Engraving by Benard, late 18th century. Wellcome Collection. Source: Wellcome Collection.