Equid, Horse: Stomach. Gasterophilus species, bots, gastric hyperkeratosis and ulceration.

Equid, Horse: Cranial mesenteric artery. Verminous arteritis.

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

Equid, Horse: Intestine. Thrombosis and infarction secondary to mesenteric arteritis.

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

Equid, Equine: Colic arteries. Thromboembolism from verminous arteritis.

Equid, Horse: Large colon. Erosive and ulcerative colitis secondary to verminous arteritis.