K12 Week 4: Difference between revisions
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==Embryo at 4 weeks== | ==Embryo at 4 weeks== |
Revision as of 00:39, 24 March 2011
Week 4
In week four of embryo development organs begin to form within the embryo and surface features begin to form.
width=480px|height=500px|controller=true|autoplay=false</qt> | This movie of early embryo development from week 3 onward shows the early nervous system forming.
View - Back of the whole early embryo and yolk sac (large ball shape to the left) and head to top and tail to bottom. The movie also shows as the embryo grows and folds it increases in size relative to the initial yolk sac. |
Embryo at 4 weeks
(Carnegie stage 13)
- On the embryo surface limb buds can be seen where the future arms and legs will form.
Cite this page: Hill, M.A. (2024, May 24) Embryology K12 Week 4. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/K12_Week_4
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G