Aberrant retropharyngeal lymph nodes of a horse (Equus caballus).
The occurrence of aberrant lymph nodes, on both sides of the head of a horse, belonging to the retropharyngeal lymphocenter has been reported.
D000818:Animals; D000013:Congenital Abnormalities / Q000473:pathology / Q000662:veterinary; D006734:Horse Diseases / Q000473:pathology*; D006736:Horses; D008198:Lymph Nodes / Q000002:abnormalities*; D009333:Neck