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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:temporomandibular joint
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Accession:UBERON:0003700 term browser browse the term
Definition:A synovial joint of the jaw that connects the mandible to the temporal bone.
Comment:There are two TMJs, one on either side, working in unison. The unique feature of the TMJs is the articular disc. The disc is composed of fibrocartilagenous tissue (like the firm and flexible elastic cartilage of the ear) which is positioned between the two bones that form the joint. The TMJs are one of the only synovial joints in the human body with an articular disc, another being the sternoclavicular joint. The disc divides each joint into two. The lower joint compartment formed by the mandible and the articular disc is involved in rotational movement -- this is the initial movement of the jaw when the mouth opens. The upper joint compartment formed by the articular disk and the temporal bone is involved in translational movement -- this is the secondary gliding motion of the jaw as it is opened widely. The part of the mandible which mates to the under-surface of the disc is the condyle and the part of the temporal bone which mates to the upper surface of the disk is the glenoid (or mandibular) fossa[WP].
Synonyms:exact_synonym: TMJ;   temperomandibular joint
 related_synonym: articulatio temporomandibularis;   dentary-squamosal joint;   tempero-mandibular joint;   temporalmandibular joint;   temporomandibular;   temporomandibular articulation
 xref: BTO:0003674;   EMAPA:19196;   FMA:54832;   GAID:272;   MA:0002899;   MESH:D013704;   NCI:C32888;   SCTID:181814009;   UMLS:C0039493;   Wikipedia:Temporomandibular_joint


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Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        anatomical structure 0
          lateral structure 0
            temporomandibular joint 0
              capsule of temporomandibular joint 0
              disk of temporomandibular joint 0
              ligament of temporomandibular joint 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
              organism subdivision 0
                main body axis 0
                  body proper 0
                    craniocervical region 0
                      head 0
                        head mesenchyme 0
                          head paraxial mesoderm 0
                            cartilaginous neurocranium 0
                              neurocranium 0
                                basicranium 0
                                  petrous part of temporal bone 0
                                    temporomandibular joint primordium 0
                                      temporomandibular joint 0
                                        capsule of temporomandibular joint 0
                                        disk of temporomandibular joint 0
                                        ligament of temporomandibular joint 0
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