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Persistence of notochordal cells within the vertebra may cause a pathologic condition: persistent notochordal canal. [17] If the notochord and the nasopharynx do not separate properly during embryonic development, a depression (Tornwaldt bursa) or Tornwaldt cyst may form. [18] The cells are the likely precursors to a rare cancer called chordoma ...
Chordoma is a rare slow-growing neoplasm thought to arise from cellular remnants of the notochord.The evidence for this is the location of the tumors (along the neuraxis), the similar immunohistochemical staining patterns, and the demonstration that notochordal cells are preferentially left behind in the clivus and sacrococcygeal regions when the remainder of the notochord regresses during ...
ventral floor of the notochordal process fuses with endoderm. The notochord will form the nucleus pulposus of intervertebral discs. There is some discussion as to whether these cells contributed from the notochord are replaced by others from the adjacent mesoderm. It gives rise to the notochordal process, which later becomes the notochord.
Texas officials try to intercept sale of surplus border wall materials Patrick noted that Texas became aware of the materials slated for auction on Dec. 12, the same day the Daily Wire reported ...
Shaded relief map of the Llano Estacado. Texas contains a wide variety of geologic settings. The state's stratigraphy has been largely influenced by marine transgressive-regressive cycles during the Phanerozoic, with a lesser but still significant contribution from late Cenozoic tectonic activity, as well as the remnants of a Paleozoic mountain range.
20997 Ensembl ENSG00000164458 ENSMUSG00000062327 UniProt O15178 P20293 RefSeq (mRNA) NM_001270484 NM_003181 NM_001366285 NM_001366286 NM_009309 RefSeq (protein) NP_001257413 NP_003172 NP_001353214 NP_001353215 NP_033335 Location (UCSC) Chr 6: 166.16 – 166.17 Mb Chr 17: 8.65 – 8.66 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse T-box transcription factor T, also known as ...
Prior to neurulation, during the migration of epiblastic endoderm cells towards the hypoblastic endoderm, the notochordal process opens into an arch termed the notochordal plate and attaches overlying neuroepithelium of the neural plate. The notochordal plate then serves as an anchor for the neural plate and pushes the two edges of the plate ...
The neurenteric canal is also known as the canal of Kovalevsky. In the development of vertebrate animals, during the 6th Carnegie stage, the proximal part of the notochordal canal persists temporarily as the neurenteric canal, which forms a transitory communication between the amniotic sac and the yolk sac cavities.