A follicular adenoma with C-cell hyperplasia in the equine thyroid.
D000236:Adenoma / Q000473:pathology / Q000662:veterinary*; D000818:Animals; D002116:Calcitonin; D003594:Cytoplasmic Granules / Q000648:ultrastructure; D005260:Female; D006734:Horse Diseases / Q000473:pathology*; D006736:Horses; D008297:Male; D008854:Microscopy, Electron; D013964:Thyroid Neoplasms / Q000473:pathology / Q000662:veterinary*
D002116:Calcitonin