Equid, Horse: Cranial mesenteric artery. Cranial mesenteric arteritis (verminous arteritis) with aneurysmal dilation caused by Strongylus vulgaris larval migration.

Equid, Horse: Pelvic flexure. Intestinal infarction secondary to cranial mesenteric arteritis; Strongylus vulgaris larval migration.

Equid, Horse: Cecum. Encysted small strongyle larvae; Cyathostomiasis.

Equid, Horse: Cranial mesenteric artery. Verminous artiritis.