Orth, Johannes J.(redirected from Orth, Johannes J)
Orth,Johannes J., German pathologist, 1847-1923.
Orth fixative - formalin added to Müller fixative, used for bringing out chromaffin, studying early degenerative processes and necrosis, and for demonstrating rickettsiae and bacteria.
Orth stain - a lithium carmine stain for nerve cells and their processes.