Democratic Sentinel, Volume 15, Number 2, Rensselaer, Jasper County, 30 January 1891 — The Brain, [ARTICLE]

The Brain,

The most complex of all the 'animal tissues is the brain. Tho fibers of ono single optic nerve have been oounted under a microscope to the number of about 300,000. The number in tho brain must therefore be immense. So with regard to cells; they are countless. No method of science has been able to count the cells in a single square quarter of an inch of the outside covering of the brain.