Week 3 Development Movie
|Embryology - 18 Apr 2019 Expand to Translate|
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This animation shows a mid-sagittal section of the folding of the embryonic disc beginning week 3 of development.
Embryo (midline section) shown to the left and early placenta to the right. The embryonic disc dorsal (ectoderm) top and ventral (endoderm) bottom. Cranial end of disc to the left and caudal end of disc to the right.
Note also the early cardiac region shown at the cranial end of disc and the allantois at the caudal end of disc extending into the connecting stalk.
Folding of the embryonic disc
Compare this sectional view of folding with the Amniotic Cavity view, filling the amnion and yolk cavities.
|Week 3 Links: stage 7 | stage 8 | stage 9 | Gastrulation | Endoderm | Mesoderm | Ectoderm | Placenta | Coelomic Cavity | Lecture | Category:Week 3 | GA week 5|
Cite this page: Hill, M.A. (2019, April 18) Embryology Week 3 Development Movie. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Week_3_Development_Movie
- © Dr Mark Hill 2019, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G