Species: Wild Mammal, Caribou

Specimen:
Muzzle

Shown:
Severe necroulcerative cheilitis caused by Onchocerca spp.

Plain-Language Description:
Pus was seen around the nose. Embedded in the tissue of the lip are large numbers of small worms that were identified as an Onchocerca spp.

Pathology Description:
Within the tissue of the lips there is a pocket of tan, friable material.