Slideshow: Facial Expressions

7½-Week Embryo

#477, Slide 3 of 31

7 weeks, 4 days

EHD Stock Photos

Note:

Note the depth of the orbit of the right eye. Also, don't worry about the overbite. It is normal at this stage and will be resolved within the next few days.

Label Key:

1. pigmentation within the retina of the right eye

2. external portion of right ear

3. mouth

4. outline of ribs

5. umbilical vein within umbilical cord

6. umbilical arteries

7. loops of bowel in base of umbilical cord (a normal event called physiologic herniation)

8. right ankle

9. right knee

All ages referenced to fertilization, not last menstrual period.