![Diagrams showing the (A) folding of the embryo and formation of the... | Download Scientific Diagram Diagrams showing the (A) folding of the embryo and formation of the... | Download Scientific Diagram](https://www.researchgate.net/publication/305720901/figure/fig1/AS:389259484778498@1469818101760/Diagrams-showing-the-A-folding-of-the-embryo-and-formation-of-the-primitive-umbilical.png)
Diagrams showing the (A) folding of the embryo and formation of the... | Download Scientific Diagram
Cord Blood Registry - The umbilical cord develops from and contains remnants of the yolk sac and allantois (a fancy word for the fetal membrane). It forms by the fifth week of
![A baby begins when an egg cell (ovum) is fertilized by a reproductive cell (sperm) to form a fertilized egg. The new egg cell keeps dividing as you mature. - ppt download A baby begins when an egg cell (ovum) is fertilized by a reproductive cell (sperm) to form a fertilized egg. The new egg cell keeps dividing as you mature. - ppt download](https://slideplayer.com/slide/13853167/85/images/6/Week+3+%E2%80%93+The+Umbilical+Cord+forms..jpg)