Photomicrographs from a Common Grackle (Quiscalus quiscula) found dead in Ohio

Detailed Description
Photomicrographs from a Common Grackle (Quiscalus quiscula) found dead in Ohio, U.S.A. H&E stains. (A) Longitudinal (arrow) and cross sections (arrowheads) of microfilariae in a pulmonary blood vessel. (B) Microfilariae (arrows) within a parabronchus. (C) Microfilaria (arrow) within the cerebellar parenchyma with no associated inflammation. (D) Adult filarial nematodes in brain ventricle. (E) Adult filarial nematodes in the wall of the pulmonary artery. (F) Higher magnification of adult filarial nematodes in the wall of the pulmonary artery.
Sources/Usage
Public Domain.