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==Summary of ossification sequences in the first 11 mammalian vertebral elements==
==Ossification Sequences Mammalian Vertebral Elements (first 11)==


For each taxon, circles indicate centra, and squares indicate left and right neural arches.  
* circles - indicate centra.
* squares - indicate left and right neural arches.
* colours - represent the order of ossification.  


Colours represent the order of ossification.  
Hox expression boundaries in the mouse<ref><pubmed>17685480</pubmed></ref> and vertebral segment identity are shown at right.  


Hox expression boundaries in the mouse<ref><pubmed>17685480</pubmed></ref> and vertebral segment identity are shown at right. Note the conserved timing of V7 centrum ossification across mammals, including sloths, and the overlap in Hox5-6 expression in the V6–V9 region of the sloth neck.


* bradypus - three-toed sloths are the only members of this genus
:'''Links:''' [[:File:Vertebra_ossification_sequence.jpg|Vertebral ossification species comparison]] | [[Musculoskeletal System - Axial Skeleton Development|Axial Skeleton]] | [[Developmental_Signals_-_Homeobox|Homeobox]]
* dasypus -  armadillo genus in the Dasypodidae family
 
 
:'''Links:''' [[Musculoskeletal System - Axial Skeleton Development|Axial Skeleton]] | [[Developmental_Signals_-_Homeobox|Homeobox]]


===Reference===
===Reference===
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{{Template:PNAS}}
{{PNAS}}




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{{Footer}}


[[Category:Musculoskeletal]] [[Category:Bone]] [[Category:Hox]]
[[Category:Musculoskeletal]] [[Category:Bone]] [[Category:Hox]]
[[Category:Vertebra]]
[[Category:Axial Skeleton]][[Category:Vertebra]]

Latest revision as of 08:52, 9 October 2015

Ossification Sequences Mammalian Vertebral Elements (first 11)

  • circles - indicate centra.
  • squares - indicate left and right neural arches.
  • colours - represent the order of ossification.

Hox expression boundaries in the mouse[1] and vertebral segment identity are shown at right.


Links: Vertebral ossification species comparison | Axial Skeleton | Homeobox

Reference

<pubmed>20956304</pubmed>| Proc Natl Acad Sci U S A.

  1. ↑ <pubmed>17685480</pubmed>


Copyright

Proceedings National Academy of Sciences (PNAS) Liberalization of PNAS copyright policy: Noncommercial use freely allowed Note original Author should be contacted for permission to reuse for Educational purposes. See also PNAS Author Rights and Permission FAQs

Cozzarelli NR, Fulton KR, Sullenberger DM. Liberalization of PNAS copyright policy: noncommercial use freely allowed. Proc Natl Acad Sci U S A. 2004 Aug 24;101(34):12399. PMID15314225 "Our guiding principle is that, while PNAS retains copyright, anyone can make noncommercial use of work in PNAS without asking our permission, provided that the original source is cited."

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Original file name: Fig. 4. http://www.pnas.org/content/107/44/18903/F4.expansion.html Placental panel cropped, resized and relabeled from original figure.


Cite this page: Hill, M.A. (2024, May 22) Embryology Vertebra ossification placental sequence.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Vertebra_ossification_placental_sequence.jpg

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