Equid, Horse: Peritoneum. Septic peritonitis secondary to small colon rupture.

Equid, Horse: Liver. Fibrous tags and parasitic granulomas.

Equid, Horse: Cranial mesenteric artery. Verminous arteritis with aneurysmal dilation caused by Strongylus vulgaris.

Equid: Cranial mesenteric artery. Cranial mesenteric arteritis (Verminous arteritis).