Massachusetts Equine Clinic
![Performance Horse Sunset with Yellow Trees Performance Horse Sunset with Yellow Trees](https://images.ctfassets.net/rt5zmd3ipxai/546LZNVFkMhP473AirdYhU/747ec113edd06e40f187b783f35e9729/-60-40-_IMAGE_CONTAINER_-_MASTER_-_HORSE_EQUINE_-_Performance_-_Sunset.jpg?fit=fill&fm=webp&h=480&w=782&q=72,%20https://images.ctfassets.net/rt5zmd3ipxai/546LZNVFkMhP473AirdYhU/747ec113edd06e40f187b783f35e9729/-60-40-_IMAGE_CONTAINER_-_MASTER_-_HORSE_EQUINE_-_Performance_-_Sunset.jpg?fit=fill&fm=webp&h=960&w=1564&q=72)
Upper and lower airway endoscopy involve examining the airways (trachea) and pharyngeal regions, including the guttural pouches. The endoscope is passed up one or both nostrils so that the upper airway and associated structures (epiglottis, arytenoid cartilages, guttural pouch, ethymoidturbinates) can be observed.