Pharynx

• pharyngeal pouches
  3 June 2010

  In the development of vertebrate animals, pharyngeal pouches (or branchial pouches) form on the endodermal side between the branchial arches, and 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.
  1st branchial pouch
  The endoderm lines the future auditory tube (pharyngotympanic " Eustachian " tube), middle ear, mastoid antrum, and inner layer of (...)

• 6th branchial arch
  3 June 2010

  Muscular contributions
  All intrinsic muscles of larynx except the cricothyroid muscle.
  Skeletal contributions
  cricoid cartilage
  arytenoid cartilages
  corniculate cartilage
  Nerve
  vagus nerve (X)
  recurrent laryngeal nerve
  Artery
  Right 6th aortic arch: pulmonary artery
  Left 6th aortic arch: pulmonary artery and ductus arteriosus
  See also
  branchial archs

• 4th branchial arch
  3 June 2010

  Muscular contributions
  cricothyroid muscle
  all intrinsic muscles of soft palate including levator veli palatini
  Skeletal contributions
  thyroid cartilage
  epiglottic cartilage
  Nerve
  vagus nerve (X)
  superior laryngeal nerve
  Artery
  right 4th aortic arch: subclavian artery
  left 4th aortic arch: aortic arch
  See also
  branchial archs

• 3rd branchial arch
  3 June 2010

  Muscular contributions
  stylopharyngeus
  Skeletal contributions
  hyoid (greater horn and lower part of body)
  Nerve
  Glossopharyngeal nerve (IX)
  Artery
  Common carotid/Internal carotid
  See also
  branchial archs

• 2nd branchial arch
  3 June 2010

  hyoid arch

• 1st branchial arch
  3 June 2010

  mandibular arch

• Pharyngeal arch
  3 June 2010

  branchial arches

• hypopharyngeal foregut duplication cyst
  7 July 2007

  foregut duplication cyst of the hypopharynx

• pharyngeal development
  7 March 2007

  pharyngeal apparatus development

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