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 (...)
Home > F. Pathology by regions > Head and neck > Head > Pharynx
Pharynx
-
pharyngeal pouches
3 June 2010 -
6th branchial arch
3 June 2010Muscular 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 2010Muscular 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 2010Muscular 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 2010hyoid arch
-
1st branchial arch
3 June 2010mandibular arch
-
Pharyngeal arch
3 June 2010branchial arches
-
hypopharyngeal foregut duplication cyst
7 July 2007foregut duplication cyst of the hypopharynx
-
pharyngeal development
7 March 2007pharyngeal apparatus development
0 | 10