Is it True That So Many Workers Died Building the Panama Canal That The Bodies Were Smuggled Out and Sold as Medical Cadavers in Europe?

I was unable to confirm, though it looks like so many people died while building the Panama Railroad that the bodies were sold internationally and, for years, steadily funded the local hospital.

Panama Canal Anniversary 2014: 100 Years Ago Today, Navigation Project Launched “American Century”

History of the Panama Railroad

The featured image was one that I took from the summit of the Panama City rainforest (Camino de Cruces National Park).