Oesophageal worm (Gongylonema pulchrum, Molin 1857) in a mountain gazelle (Gazella gazella).
D000818:Animals; D000836:Animals, Zoo; D001188:Artiodactyla; D004947:Esophagus / Q000469:parasitology; D009349:Nematode Infections / Q000469:parasitology / Q000662:veterinary*; D013151:Spiruroidea