Slideshow: The Developing Brain
The 4-Week Embryo
#368, Slide 4 of 21
3 weeks, 4 days
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Label Key:1. brain 2. body cavities 3. somites 4. tail | ||
| All ages referenced to fertilization, not last menstrual period. |
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Label Key:1. brain 2. body cavities 3. somites 4. tail | ||
| All ages referenced to fertilization, not last menstrual period. |