Pouch shell gland mucosa, laying hen

Pouch shell gland mucosa, laying hen

Photomicrograph showing the mucosa of the pouch shell gland in a laying hen 8 days after infection with Atadenovirus. Several enlarged nuclei (arrows) in the surface epithelium contain marginated chromatin and large viral inclusions (hematoxylin and eosin).

Courtesy of Dr. Joan A. Smyth.