Adult Dirofilaria immitis in the arterial system of a dog.
D000818:Animals; D001158:Arteries; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D005368:Filariasis / Q000473:pathology / Q000662:veterinary*; D005370:Filarioidea / Q000302:isolation & purification*; D008297:Male