Slideshow: Umbilical Cord, Placenta & More
Vitelline Vessels
#76, Slide 5 of 35
5 weeks, 6 days
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Note:The vitelline vessels, contained within the "yolk stalk," provide circulation between the embryo and the yolk sac.Label Key:1. brain 2. vitelline vessels (part of yolk stalk) 3. eye | ||
| All ages referenced to fertilization, not last menstrual period. |
