Slideshow: Umbilical Cord, Placenta & More
Vitelline Vessels and Yolk Sac
#85, Slide 3 of 35
5 weeks, 2 days
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Note:The yolk sac is not enclosed within the amnion.Label Key:1. vitelline vessels within yolk stalk 2. yolk sac | ||
| All ages referenced to fertilization, not last menstrual period. |
