Sarcosporidiosis in the ringed seal.
D000818:Animals; D010872:Caniformia / Q000469:parasitology*; D009132:Muscles / Q000469:parasitology; D012523:Sarcocystosis / Q000469:parasitology / Q000662:veterinary*; D046048:Seals, Earless / Q000469:parasitology*