06/18/2026
Choroidl papillae and RPE of a fruit bat. The RPE cytoplasm contains lipid droplets making it reflective. This is a retinal tapetum.
The Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW)- University of Wisconsin-Madison
The COPLOW is a mail-in ocular pathology service designed to provide pathology services for clinical veterinary ophthalmologists around the country and world. Veterinary specialists in ophthalmology need a service which not only provides a timely and accurate diagnosis, but is capable of going beyond the diagnosis and investigating relevant aspects of ocular pathology to better understand the path
06/18/2026
Choroidl papillae and RPE of a fruit bat. The RPE cytoplasm contains lipid droplets making it reflective. This is a retinal tapetum.
06/18/2026
Canine: Primitive neuroectodermal tumor (PNET)
06/17/2026
Canine corneal tumors from a long time ago
06/17/2026
The big eyes of an owl made into art
06/16/2026
Canine: Transmission electron microscope imaje of Prototheca
06/16/2026
Feline: Corneal sequestrum about to fall out.
06/15/2026
This is a cystic epithelial tumor in a Hornbill (fixed with Bouin's solution)
06/15/2026
Hereditary cataract in a mouse
06/12/2026
Demodex mites in the equine Meibomian gland, an incidental finding.
06/12/2026
Two new world primates: Spider monkey, diurnal and owl monkey nocturnal. The cone-rich, diurnal retina has a narrow outer nuclear layer and the rod-rich nocturnal nocturnl retina has a thick layer.