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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:external anal sphincter
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Accession:UBERON:0001367 term browser browse the term
Definition:The Sphincter ani externus (external anal sphincter) is a flat plane of muscular fibers, elliptical in shape and intimately adherent to the integument surrounding the margin of the anus. [WP,unvetted].
Comment:Some literature reports don't consider the external anal sphincter to be a true sphincter muscle.
Synonyms:exact_synonym: external sphincter ani;   musculus sphincter ani externus
 related_synonym: sphincter ani externus
 xref: EMAPA:18265;   FMA:21930;   MA:0001531;   NCI:C32548;   SCTID:244969008;   UMLS:C0224395;   Wikipedia:Sphincter_ani_externus_muscle
 see_also: https://github.com/obophenotype/uberon/issues/2344
 external_ontology: present_in_taxon NCBITaxon:9606


show annotations for term's descendants           Sort by:
Term paths to the root
Path 1
Term Annotations click to browse term
  UBERON ontology 0
    anatomical entity 0
      material anatomical entity 0
        developing anatomical structure 0
          developing mesenchymal structure 0
            myotome 0
              skeletal muscle tissue 0
                skeletal muscle tissue of trunk 0
                  external anal sphincter 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
                cleaving embryo 0
                  blastula 0
                    presumptive paraxial mesoderm 0
                      paraxial mesoderm 0
                        trunk paraxial mesoderm 0
                          presumptive segmental plate 0
                            presomitic mesoderm 0
                              somite 0
                                dermomyotome 0
                                  myotome 0
                                    skeletal muscle organ, vertebrate 0
                                      skeletal muscle of trunk 0
                                        abdominal segment muscle 0
                                          muscle of pelvis 0
                                            perineal muscle 0
                                              muscle of anal triangle 0
                                                external anal sphincter 0
paths to the root