Heartworm (Dirofilaria immitis) in the brain of a dog.
D000818:Animals; D001921:Brain / Q000469:parasitology*; D001927:Brain Diseases / Q000175:diagnosis / Q000469:parasitology / Q000662:veterinary*; D003937:Diagnosis, Differential; D004183:Dirofilaria immitis / Q000302:isolation & purification*; D004184:Dirofilariasis / Q000175:diagnosis / Q000469:parasitology / Q000662:veterinary*; D004283:Dog Diseases / Q000175:diagnosis / Q000469:parasitology*; D004285:Dogs; D005370:Filarioidea / Q000302:isolation & purification*; D008297:Male