Other Web Sites Relating to Histology:
Histology Images - UC Davis (good basic histology images, arranged by system and annotated with notes, similar to this site)
Histology, Univ. of Delaware (good catalog of images, including light microscopy, scanning EM, and 3-D illustrations)
Internet Atlas of Histology (comprehensive catalog of images, with "zoomable" magnification feature)
Medschool.com (excellent resource for Web sites related to medicine, e.g., use search feature with key word "histology")