Trichuris ovis, intestinal wall, sheep
Trichuris ovis attached to the intestinal wall of a sheep. The whip-shaped adults of Trichuris spp are partially embedded in the wall of the cecum and colon. The anterior end of the adult is tapered and hairlike (embedded portion); the posterior end is wider (free in the lumen, pictured here).
Courtesy of Dr. Raffaele Roncalli.
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