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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:dentary
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Accession:UBERON:0004742 term browser browse the term
Definition:The dentary is a dermal bone that forms the antero-lateral part of the lower jaw in fishes and amphibians, extending to the whole lower jaw in mammals[VHOG,modified].
Comment:[homology-note] "Of all these bones [dentary, splenials, coronoids, angular, surangular and prearticular], only the dentary remains in the lower jaw of a mammal.[well established][VHOG]" xsd:string {date_retrieved="2012-09-17", external_class="VHOG:0001022", ontology="VHOG", source="ISBN:978-0030223693 Liem KF, Bemis WE, Walker WF, Grande L, Functional Anatomy of the Vertebrates: An Evolutionary Perspective (2001) p.248", source="http://bgee.unil.ch/"}; [taxon-note] "In lobe-finned fishes and the early fossil tetrapods, the bone homologous to the mandible of mammals is merely the largest of several bones in the lower jaw. In such animals, it is referred to as the dentary bone, and forms the body of the outer surface of the jaw. It is bordered below by a number of splenial bones, while the angle of the jaw is formed by a lower angular bone and a suprangular bone just above it. The inner surface of the jaw is lined by a prearticular bone, while the articular bone forms the articulation with the skull proper. Finally a set of three narrow coronoid bones lie above the prearticular bone. As the name implies, the majority of the teeth are attached to the dentary, but there are commonly also teeth on the coronoid bones, and sometimes on the prearticular as well. This complex primitive pattern has, however, been simplified to various degrees in the great majority of vertebrates, as bones have either fused or vanished entirely. In teleosts, only the dentary, articular, and angular bones remain, while in living amphibians, the dentary is accompanied only by the prearticular, and, in salamanders, one of the coronoids. The lower jaw of reptiles has only a single coronoid and splenial, but retains all the other primitive bones except the prearticular."
Synonyms:exact_synonym: dentaries;   dentary bone
 related_synonym: dentale;   os dentale;   sur-angulaire
 xref: AAO:0000124;   EFO:0003508;   TAO:0000191;   VHOG:0001022;   ZFA:0000191;   http://palaeos.com/vertebrates/bones/dermal/images/Dentary1.gif
 axiom_lost: relationship loss: overlaps dentary-anguloarticular joint (TAO:0001749)[TAO]" xsd:string {date_retrieved="2012-08-14", external_class="TAO:0000191", ontology="TAO

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Term paths to the root
Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        anatomical structure 0
          lateral structure 0
            dentary 0
              dentary foramen 0
              mandible + 0
              mandibular symphyseal region + 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
                  embryonic tissue 0
                    germ layer / neural crest 0
                      germ layer 0
                        ectoderm 0
                          ectoderm-derived structure 0
                            neurectoderm 0
                              presumptive neural plate 0
                                neural plate 0
                                  neural groove 0
                                    neural fold 0
                                      neural crest 0
                                        neural crest-derived structure 0
                                          mesenchyme derived from neural crest 0
                                            mesenchyme derived from head neural crest 0
                                              mesenchyme from rhombencephalic neural crest 0
                                                1st arch mesenchyme from neural crest 0
                                                  1st arch mandibular mesenchyme from neural crest 0
                                                    mandibular process mesenchyme from neural crest 0
                                                      dentary 0
                                                        dentary foramen 0
                                                        mandible + 0
                                                        mandibular symphyseal region + 0
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