Figure 8. Section of neocortex from 8-week old pig stained by a
modified Golgi-Cox procedure. Black cells are identified as neurons
with round cell body and numerous dendritic branches projecting out
from the cell body.
Morrow-Tesch, Julie. "Environmental Enrichment for Dairy Calves and Pigs," Animal Welfare Information Center Newsletter, 7(3):3-8, Winter 1996/1997.