Slideshow: Favorites
Close-up of Umbilical Cord
#25, Slide 27 of 74
7 weeks, 4 days
| ||
Note:There are normally 2 umbilical arteries and 1 umbilical vein. The umbilical vein carries oxygen-rich blood from the placenta to the embryo and is recognizable by its larger size and brighter red color.Label Key:1. placental vessels 2. umbilical vein 3. placenta 4. umbilical arteries | ||
| All ages referenced to fertilization, not last menstrual period. |
