Skip Navigation

Movie Theater

The Yolk Sac


 

5 weeks, 2 days

Buy NowFrom The Biology of Prenatal Development.

Script: The yolk sac contains early reproductive cells called germ cells. By 5 weeks these germ cells migrate to the reproductive organs adjacent to the kidneys.

All ages referenced to fertilization, not last menstrual period.
 <  Previous  See Snapshots  Next  > 
Log in to create a playlist
The Yolk Sac
The Yolk Sac
The Liver and Heart
The Liver and Heart
Hand Plates and Cartilage
Hand Plates and Cartilage
Brainwaves
Brainwaves
Polygon-Shaped Hand Plates
Polygon-Shaped Hand Plates
4D Ultrasound
4D Ultrasound
Previous Set Previous Movie Next Set Next Movie
Tell your story. Create your own pregnancy calendar.
Help give babies a healthy start and a healthy future. Donate now.


Add a Comment

Your Name: Log In 3rd-party login: Facebook     Google     Yahoo

Comment: