“The extracellular genesis of cells in animals seemed to me, ever since the publication of the cell theory [of Schwann], just as unlikely as the spontaneous generation of organisms. These doubts produced my observations on the multiplication of blood cells… — Robert Remak Copy Share Image
“The history of the knowledge of the phenomena of life and of the organized world can be divided into two main periods. For a long time anatomy, and particularly the anatomy of the human body, was the a and ?… — Paul Ehrlich Copy Share Image
![“The extracellular genesis of cells in animals seemed to me, ever since the publication of the cell theory [of Schwann], just as unlikely as the spontaneous generation of organisms. These doubts produced my observations on the multiplication of blood cells by division in bird and mammalian embryos…” quote by Robert Remak](https://sms4smile.com/quotes/img-quotes/434/robert-remak-194000_biology_the-extracellular-genesis-of-cells-in-an_262485.jpg)
