Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW)

Comparative Ocular Pathology Laboratory of Wisconsin (COPLOW)

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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.

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Madison, WI
53706