EDELMANN / SCIENCE PHOTO LIBRARY. EDELMANN / SCIENCE PHOTO LIBRARY.
The human embryo at about 7-8 weeks, showing the head (right) with the retina of the eye (dark spot) & the beginning of the nose visible. The developing arms, hands & legs are visible on the left side of the body. The umbilicus, connecting the embryo with its mother's circulation (via the placenta) is seen at top left.
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