The horse 's break in, carry them to make atletic and work activity, which depend on good function of upper respiratory tract. Then, diseases that affect those structures has detach in literature. In this present article are discussed two diseases which affect upper respiratory tract (arytenoid chondritis and laryngeal hemiplegia), their diagnosis, endoscopic findings, treatment and prognosis.
chondritis; laryngeal hemiplegia; arytenoid cartilage; endoscopic; equine
