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. In the embryonic development of vertebrates, pharyngeal pouches form on the endodermal side between the pharyngeal arches. The pharyngeal grooves (or clefts) form the lateral ectodermal surface of the neck region to separate the arches.The pouches line up with the clefts, and these thin segments become gills in fish.
Synonym: Zenker's diverticulum. A pharyngeal pouch represents a posteromedial pulsion diverticulum through Killian's dehiscence. It is a herniation between the thyropharyngeus and cricopharyngeus muscles that are both part of the inferior constrictor of the pharynx. The aetiology is unknown. 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. A 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. Symptomatic pharyngeal pouches are generally treated by surgery. There are two main types of procedure: open and endoscopic. In an open procedure the pouch is approached through a neck incision and the pouch is excised (diverticulectomy).  Endoscopic stapling of pharyngeal pouch involves stapling of the opening of the pharyngeal pouch through a specially designed endoscope, under general anaesthetic. The standard treatment for pharyngeal pouches is open surgery to the neck. Description. This procedure is used to treat pharyngeal pouch. Pharyngeal pouch, which is also known as Zenker's diverticulum, occurs when the pharyneal lining herniates through the muscles of the pharyngeal wall. In the embryonic development of vertebrates, pharyngeal pouches form on the endodermal side between the pharyngeal arches. The pharyngeal grooves (or clefts) form the lateral ectodermal surface of the neck region to separate the arches. The pouches line up with the clefts, and these thin segments become gills in fish.  Medical Definition of PHARYNGEAL POUCH. : any of a series of evaginations of ectoderm on either side of the pharynx that meet the corresponding external furrows and give rise to the branchial clefts of the vertebrate embryo. What made you want to look up pharyngeal pouch?  a fibrous or mucoid, usually pedunculated mass that causes intermittent pharyngeal obstruction. pharyngeal pouch. one of the paired bilateral outpockets of the embryonic pharynx located opposite external branchial clefts and separated from each other by the developing visceral or branchial arches. pharyngeal obstruction. characterized by noisy breathing, difficult swallowing, coughing and the coughing up of food. In dogs and cats pawing at the mouth is usual. There is no regurgitation through the nostrils. Manual or endoscopic examination of the interior of the pharynx is necessary. Pharyngeal pouch. This is the medical name for a condition in which there is a weakness in the lower part of the. which causes the muscles to balloon outwards and form a pouch. Hence the name ‘pharyngeal pouch’. This occurs at the bottom of the. and just above the. muscle. Symptoms of pharyngeal pouch. The most common symptom is the sensation of a lump in the throat also known as. , which causes difficulty in swallowing. Other symptoms include regurgitation of food, bad breath and coughing. A ‘gurgling’ sound may be heard during Pharyngeal pouch syndrome: Pharyngeal pouch syndrome is listed as a type of (or associated with) the following medical conditions in our database: 1  SCID. 2  Immune system conditions. 3  Endocrine system conditions. 4  Head conditions. 5  Lymphatic system conditions. 6  Heart conditions. 7  Chest conditions. 
http://patient.info/doctor/Pharyngeal-Pouch http://www.wisegeekhealth.com/what-is-a-pharyngeal-pouch.htm http://www.entcare.co.uk/pharyngeal_pouch_surgery.html https://www.nice.org.uk/Guidance/IPG22 https://en.wikipedia.org/wiki/Pharyngeal_pouch_(embryology) http://www.merriam-webster.com/medical/pharyngeal%20pouch http://medical-dictionary.thefreedictionary.com/pharyngeal+pouch http://www.medic8.com/healthguide/sore-throat/pharyngeal-pouch.html http://www.rightdiagnosis.com/medical/pharyngeal_pouch_syndrome.htm
what is a pharyngeal pouch