File:Hindbrain neural crest migration.jpg

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Hindbrain Neural Crest Migration

A schematic diagram of a chick head at embryonic day two (Hamburger Hamilton Stages), showing pathways of neural crest migration in the chick and mouse embryo and patterns of Hox gene expression in the pharyngeal arches. Hox genes are expressed in neural crest cells, which emigrate predominantly from even-numbered rhombomeres into the pharyngeal (branchial) arches generating skeletal tissues and cranial ganglia.

Note that the first pharyngeal arch is free of Hox expression.

Legend

  • PA - pharyngeal arch
  • Md - mandibular part of pharyngeal arch 1
  • Mx - maxillary part of pharyngeal arch 1
  • OV - otic vesicle
  • r - rhombomere
Links: Homeobox | Neural Crest Development

Reference

Guthrie S. (2007). Patterning and axon guidance of cranial motor neurons. Nat. Rev. Neurosci. , 8, 859-71. PMID: 17948031 DOI.

Copyright

Adapted by permission from Macmillan Publishers Ltd: Nature Reviews Neuroscience (Guthrie S. (2007). Patterning and axon guidance of cranial motor neurons. Nat. Rev. Neurosci. , 8, 859-71. PMID: 17948031 DOI.), copyright (2007)


Original Figure: 4 http://www.nature.com/nrn/journal/v8/n11/fig_tab/nrn2254_F4.html

Note original figure resized and relabeled replacing branchial arches with pharyngeal arches.

Cite this page: Hill, M.A. (2024, April 20) Embryology Hindbrain neural crest migration.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Hindbrain_neural_crest_migration.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current16:23, 31 August 2010Thumbnail for version as of 16:23, 31 August 2010450 × 545 (48 KB)S8600021 (talk | contribs)==Hindbrain neural crest migration== A schematic diagram of a chick head at embryonic day two, showing pathways of neural crest migration in the chick and mouse embryo and patterns of Hox gene expression in the branchial arches (BAs)42, 102, 169, 170. FB

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