Function Gutteral Pouch

6 in a study on the distribution of various immunoglobulin isotypes and sub isotypes.

Function gutteral pouch.

Fortunately guttural pouch diseases do not occur frequently but because of the potentially devastating effects every horse owner should be knowledgeable about this part of the horse s body and its multiple functions. A function for guttural pouches in the horse. It is caused by a fungus that infects the lining of the guttural pouch usually on the roof of the guttural pouch. Guttural pouch mycosis is a fungal infection of one or both guttural pouches.

Guttural pouches are large auditory tube diverticula that contain between 300 and 600 ml of air. The temperature of air from the guttural pouch and of blood in the ica was measured in 4 horses by using fine thermocouples surgically implanted on the ica at 3 sites corresponding to sites before midway and beyond the. Guttural pouches act to cool the horses brain a the arrangement of guttural pouches and internal carotid arteries ica in the skull and the position of the temperature probes used to measure. The guttural pouch is lined with pseudostratified ciliated epithelium containing goblet cells 1 in both adults and foals.

The guttural pouches are auditory tube diverticula that contain about 300 500 ml of air. They are found in odd toed hoofed animals hyraxes 1 some bats and a south american forest mouse 2 and. The infection can cause some deep damage to the arteries and nerves. Since the guttural pouches contain important nerves arteries and blood vessels infection and tumors become serious problems.

This often causes the invasion of major arteries and nerves at the base of the skull hence the life threatening hemorrhage and severe nerve damage occurring. Guttural pouch mycosis causes the pouch to become infected resulting in necrotizing inflamed and thickened tissue. This disease causes a plaque to form over the roof of the pouch. Fungal plaques form within the guttural pouches most commonly along the walls of the major blood vessels internal carotid external carotid and maxillary arteries figure 3.

They are present in odd toed mammals some bats hyraxes and the american forest mouse they are paired bilaterally just below the ears behind the skull and connect to the nasopharynx. Guttural pouch mycosis is a rare but very serious disease in horses. 6 the guttural pouch mucosa has the ability to clear foreign substances but this ability varies among different regions of the epithelium.