pharyngeal pouch

pharyngeal pouch
pharyngeal pouch n 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

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any of the paired segmented pouches in the side of the throat of the early embryo. They give rise to the tympanic cavity, the parathyroid glands, the thymus, and probably the thyroid gland.

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a lateral diverticulum of the pharynx that meets a corresponding pharyngeal groove in the embryonic ectoderm, forming a closing membrane that may rupture and complete the gill slit as observed in lower vertebrates. Called also branchial p. and visceral p.

Medical dictionary. 2011.

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  • Pharyngeal pouch — Infobox Disease Name = PAGENAME Caption = DiseasesDB = 9922 ICD10 = ICD10|Q|38|7|q|38 ICD9 = ICD9|750.27 ICDO = OMIM = MedlinePlus = eMedicineSubj = eMedicineTopic = MeshID = In gastroenterology, a pharyngeal pouch is a pathological pulsion… …   Wikipedia

  • Pharyngeal pouch (embryology) — Infobox Embryology Name = PAGENAME Latin = GraySubject = 13 GrayPage = 65 Caption = Pattern of the branchial arches. I IV branchial arches, 1 4 branchial pouches (inside) and/or pharyngeal grooves (outside) a Tuberculum laterale b Tuberculum… …   Wikipedia

  • pharyngeal pouch — branchial pouch; = visceral pouch any of the paired segmented pouches in the side of the throat of the early embryo. They give rise to the tympanic cavity, the parathyroid glands, the thymus, and probably the thyroid gland …   The new mediacal dictionary

  • pharyngeal pouch. — See branchial pouch. * * * …   Universalium

  • pharyngeal pouch. — See branchial pouch …   Useful english dictionary

  • pharyngeal pouch — noun : any of a series of outpocketings of ectoderm on either side of the pharynx that meet the corresponding visceral furrows and give rise to the visceral clefts of the vertebrate embryo …   Useful english dictionary

  • pharyngeal pouch syndrome — DiGeorge s …   Medical dictionary

  • Pharyngeal groove — Pattern of the branchial arches. I IV branchial arches, 1 4 branchial pouches (inside) and/or pharyngeal grooves (outside) a Tuberculum laterale b Tuberculum impar c Foramen cecum d Ductus thyreoglossus e Sinus cervicalis …   Wikipedia

  • pouch´like´ — pouch «powch», noun, verb. –n. 1. a bag; sack: »a mailman s pouch, a pouch of tobacco. 2. a small bag to hold money: »a poor devil without penny in pouch (Washington Irving). 3. a bag for carrying documents: » …   Useful english dictionary

  • pharyngeal arch — n BRANCHIAL ARCH * * * (branchial arch, visceral arch) any of the paired segmented ridges of tissue in each side of the throat of the early embryo that correspond to the gill arches of fish. Each arch contains a cartilage, a cranial nerve, and a… …   Medical dictionary

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