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CROSS-SPECIES ANATOMY - ANNOTATIONS

The Basic subset of the UBERON integrated, cross-species anatomy ontology is downloaded weekly from http://berkeleybop.org/ontologies/uberon/basic.obo. For more information about this ontology see the "About" page on the UBERON website at http://uberon.github.io/about.html.
Term:pharyngeal pouch 2
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Accession:UBERON:0007123 term browser browse the term
Definition:A pharyngeal puch that is between the pharyngeal arches 2 and 3.
Comment:[development-note] "Contributes to the middle ear, epithelial lining of Crypts (spaces) of the palatine tonsils, supplied by the facial nerve" xsd:string {source="WP"}; [homology-note] "A conserved feature of all vertebrate embryos is the presence of a series of bulges on the lateral surface of the head, the pharyngeal arches; it is within these structures that the nerves, muscles and skeletal components of the pharyngeal apparatus are laid down. The pharyngeal arches are separated by endodermal outpocketings, the pharyngeal pouches.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0000967", ontology="VHOG", source="DOI:10.1111/j.1469-7580.2005.00472.x Graham A, Okabe M and Quinlan R, The role of the endoderm in the development and evolution of the pharyngeal arches. J Anat (2005)", source="http://bgee.unil.ch/"}; [taxon-note] "the dorsal elongation of the second pouch endoderm of all mammals, with the exception of rodents, gives rise to the epithelial lining of palatine tonsils; in rodents, the ventral portion of the second pouch appears to degenerate whereas the remaining part is incorporated into the lateral border of the pharynx; it appears that rodents no longer require tonsils as their function is carried out by the NALT (Nose/Nasal-Associated Lymphoid Tissue) system in the upper respiratory tract."
Synonyms:exact_synonym: 2nd arch branchial pouch;   2nd arch branchial pouch endoderm;   2nd arch pouch endoderm;   2nd branchial pouch;   2nd pharyngeal pouch endoderm;   pharyngeal pouches 2;   second arch pharyngeal pouch;   second visceral pouch;   visceral pouch 2
 related_synonym: second pharyngeal pouch
 alt_id: UBERON:0005715
 xref: AAO:0011115;   EFO:0003633;   EHDAA2:0000058;   EMAPA:16275;   FMA:295676;   NCI:C34289;   RETIRED_EHDAA2:0000060;   SCTID:345349000;   TAO:0001130;   UMLS:C0231069;   VHOG:0000561;   VHOG:0000967;   Wikipedia:Pharyngeal_pouch_(embryology)#Second_pouch;   XAO:0000247;   ZFA:0001130


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Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        developing anatomical structure 0
          embryonic structure 0
            pharyngeal pouch 0
              pharyngeal pouch 2 0
                dorsal part of pharyngeal pouch 2 + 0
                thyroid primordium + 0
                ventral part of pharyngeal pouch 2 0
Path 2
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        anatomical structure 0
          multicellular anatomical structure 0
            multicellular organism 0
              embryo 0
                embryonic structure 0
                  presumptive structure 0
                    presumptive gut 0
                      digestive tract 0
                        subdivision of digestive tract 0
                          foregut 0
                            pharyngeal region of foregut 0
                              pharyngeal arch system 0
                                entire pharyngeal arch endoderm 0
                                  early pharyngeal endoderm 0
                                    pharyngeal pouch 0
                                      pharyngeal pouch 2 0
                                        dorsal part of pharyngeal pouch 2 + 0
                                        thyroid primordium + 0
                                        ventral part of pharyngeal pouch 2 0
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