Figure 1

Pathological lesions in jirds infected with Brugia pahangi. A, Gross pathology of spermatic cord lymphatic vessel of a subcutaneously infected jird with B. pahangi (56 DAI) shows white granulomas (arrows) embedded in the vessel lumen (magnification 3×). B, Lymphatic vessel shows rounded and attached granulomas (arrows) (higher magnification, 7×). C, The same spermatic cord lymphatic vessel at the posterior end also contains a worm (arrows) tucked in the vessel lumen (lymphatic vessel was dyed with Evan's blue for contrast is adjacent to a blood vessel (BV) and embedded in fat tissue (FT), magnification 3×. D, Large nonadherent, florid granulomas from the peritoneal cavity of B. pahangi-infected jirds recovered at the chronic stage (300 DAI), magnification 3×.