He published, when not yet thirty, the story of his comparative investigation of the cellular constitution of plants and animals, and there is very little that can be added, even in our day, to make its scientific demonstration any clearer than it was.
"Makers of Modern Medicine"
James J. Walsh
Make a drawing on the black-board of the cellular formation of a potato.
"Ontario Teachers' Manuals: Household Management"
Ministry of Education
There they are surrounded by a mantle of cellular elements which fill up the spaces.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler