Strongylus vulgaris Blodorm (The large strongyle/arterial worm)
Strongyle nematodes in the equine large intestine: | Superfamily: Strongyloidea | Family: Strongylidae | Subfamily: Strongylinae (large strongyles).
Adults. Anterior end prominent due to a well-developed oral leaf crown, an oval buccal capsule with two rounded chitinous teeth at its base, and a dorsal gutter (both sexes). Male (length: 1.5-2 cm) posterior end looking ”frayed” due to the presence of a well-developed bursa.		Adult female (length: 2-2.5 cm). Mouth opening prominent with leaf crown. The buccal capsule is larger than in the male, otherwise morphologically similar. The posterior end pointed.
Hosts: Equines.
Location: Cranial mesenteric artery (migrating larvae) / caecum and colon (adults).