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Embryo 54 Day Old Internal Anatomy
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Embryo 40 Day Old Heart and Liver
Computer Generated Image from Micro-MRI, actual size of embryo = 8.0 mm - This image of the embryo presented from the left-dorsal side shows the internal organs during the sixth week of embryonic development. This age is calculated from the day of fertilization. The prominent C-shaped curvature of the spinal cord (in red) remains. The chambered heart, marked in red, can be seen from the backside perspective. The liver is highlighted in violet. Veins and blood vessels connect the heart to the brain to supply nutrients and oxygen.