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==Human Embryo Limbs (week 8)==
==Human Embryo==


Carnegie stage 20 to 23 (week 8) extracts showing the upper and lower limb development.
Carnegie stage 20 to 23 (week 8) extracts showing upper and lower limb development (Images are not to scale).


Note that during week 8 for both limbs:
* more advanced development of upper limb at all stages (about 2 days).
* growth in overall length.
* rotation of limbs.
* towards the end of this week the more obvious elbow/knee, shoulder/hip.
* development of digits (fingers, toes) from digital rays.
* loss of cells by apoptosis between the digits.


Images are not to scale


'''Image version links:''' [[:File:Stage20-23 limbs.jpg|Large 1000px]] | [[:File:Stage20-23 limbs a.jpg| 800px]] |  
'''Image version links:''' [[:File:Stage20-23 limbs.jpg|Large 1000px]] | [[:File:Stage20-23 limbs a.jpg| 800px]] |  
[[:File:Stage20-23 limbs b.jpg|Medium 600px]]
[[:File:Stage20-23 limbs b.jpg|Medium 600px]] | [[Musculoskeletal_System_-_Limb_Development|Limb Development]]
 




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{{Template:Footer}}


[[Category:Carnegie Stage]] [[Category:Carnegie Stage 20]] [[Category:Carnegie Stage 21]] [[Category:Carnegie Stage 22]] [[Category:Carnegie Stage 23]] [[Category:Week 8]]
[[Category:Limb]] [[Category:Carnegie Stage]] [[Category:Carnegie Stage 20]] [[Category:Carnegie Stage 21]] [[Category:Carnegie Stage 22]] [[Category:Carnegie Stage 23]] [[Category:Week 8]] [[Category:Musculoskeletal]] [[Category:Limb]]

Latest revision as of 09:39, 28 March 2011

Human Embryo

Carnegie stage 20 to 23 (week 8) extracts showing upper and lower limb development (Images are not to scale).

Note that during week 8 for both limbs:

  • more advanced development of upper limb at all stages (about 2 days).
  • growth in overall length.
  • rotation of limbs.
  • towards the end of this week the more obvious elbow/knee, shoulder/hip.
  • development of digits (fingers, toes) from digital rays.
  • loss of cells by apoptosis between the digits.


Image version links: Large 1000px | 800px | Medium 600px | Limb Development



Cite this page: Hill, M.A. (2024, May 11) Embryology Stage20-23 limbs a.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Stage20-23_limbs_a.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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