equine Cushing disease
(ECD) a complex of symptoms associated with hyperadrenocorticism in horses, ponies, and donkeys, and caused by pituitary tumor of unknown origin; analogous to Cushing disease of humans, and characterized by polyuria, polydipsia, increased appetite, somnolence, laminitis, and hyperhidrosis associated with lack of cyclic shedding of hair.
Medical dictionary.
2011.