Copper toxicosis, kidney, sheep, photomicrograph

Copper toxicosis, kidney, sheep, photomicrograph

Photomicrograph of kidney tissue from a 2-year-old sheep with copper toxicosis. Note the dark-red pigmented granular material filling the lumina of tubules multifocally (black arrows). Other tubules contain homogenous eosinophilic fluid (white arrows). Magnification 40X.

Courtesy of Dr. Trevor Arunsiripate.