what is a pharyngeal pouch
10 most extreme places on Earth. A pharyngeal pouch is a pocket that forms in the lining of the pharynx, which sits at the back of the throat between the esophagus and the mouth in humans and most animals. videofluoroscopy swallow study, or barium swallow, is the most effective way of diagnosing a pharyngeal pouch in most cases. In this test, the patient drinks a solution that contains barium sulfate, a metallic compound that is visible on x-rays.
A retort pouch is a type of food packaging made from a laminate of flexible plastic and metal foils.It allows the sterile packaging of a wide variety of food and drink handled by aseptic processing, and is used as an alternative to traditional industrial canning methods.his multi-layer structure prevents the retort pouch from being recycled into other retort pouches or food packaging. However, the material can be recycled into an aluminized resin or up-cycled into textile materials.