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HUMAN PHENOTYPE - ANNOTATIONS

The Human Phenotype Ontology (HPO) is downloaded weekly from http://compbio.charite.de/hudson/job/hpo/lastStableBuild/artifact/ontology/release/hp.obo. The file downloaded is considered the "last stable build" available for the ontology. For more about the HPO, view their website at http://www.human-phenotype-ontology.org/.
Term:Myeloschisis
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Accession:HP:0030708 term browser browse the term
Definition:The severe form of a neural tube defect where the open neural tube appears as a flattened, plate-like mass of nervous tissue with no overlying membrane.
Comment:Myeloschisis is a cleft spinal cord arising from a failure of neural tube closure. The placode is defined as a plate of embryonic epithelial cells constituting a primordial cell group from which the spinal cord arises and is often seen in a myelomeningocele. In a myelomeningocele, an exposed placode is often a myeloschisis. In other words, a myeloschisis is a collapsed myelomeningocele. When the placode in the myelomeningocele sac is a cleft spinal cord, this anomaly is classified as myeloschisis rather than myelomeningocele.
Synonyms:xref: SNOMEDCT_US:360530005;   UMLS:C0266507

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Path 1
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system morphology 0
          Morphological central nervous system abnormality 0
            Abnormal spinal cord morphology 0
              Spinal dysraphism 0
                Myeloschisis 0
Path 2
Term Annotations click to browse term
  Human phenotype 0
    Phenotypic abnormality 0
      Abnormality of the nervous system 0
        Abnormal nervous system morphology 0
          Morphological central nervous system abnormality 0
            Abnormal neural tube morphology 0
              Neural tube defect 0
                Spinal dysraphism 0
                  Myeloschisis 0
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