Alpha-1 Antitrypsin Deficiency (Light Micrograph)

Alpha-1 Antitrypsin Deficiency (Light Micrograph)

This light micrograph of hematoxylin- and eosin-stained tissue shows alpha-1 antitrypsin deficiency liver disease. The histologic hallmark of the disease in the liver is the presence of globules (light pink circles) within liver cells.

ZIAD M. EL-ZAATARI/SCIENCE PHOTO LIBRARY