1 janv. 1839 - In 1839 Theodor Schwann demonstrated that animal tissues were made up of cells and concluded that all tissues are made up of cells. This scientist directly contributed to the cell theory because the things he proved laid the foundations for the cell theory. ,
Ajouté au bande de temps:
Date:
1 janv. 1839
Maintenaint
~ Il y a 185 ans
