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The Endowment for Human Development
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Slideshow: Clinical Highlights

Heart and Liver

#68, Slide 7 of 58

4 weeks, 6 days

From The Biology of Prenatal Development.Buy Now

Label Key:

1. mouth (stomodeum)
2. brain
3. 1st pharyngeal arch (mandibular process)
4. heart chambers
5. liver
6. sinus venosus
All ages referenced to fertilization, not last menstrual period.
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