In 1880, term protoplast was proposed by Hanstein (1880) for the entire cell, excluding the cell wall, and some authors like Julius von Sachs (1882) preferred that name instead of cell.
En 1880, Hanstein propuxo o termo protoplasto para designar a célula completa excepto a parede celular, e algúns autores como Julius von Sachs (1882) preferían este nome en vez de "célula".