Color enhanced photograph of a 28 day old human embryo with an intact chorion,the outermost fetal membrane. During the fourth week,the embryonic period begins and the brain,spinal cord,heart and other organs begin to form. (Enhancement of 9A2705) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Omikron |
Bildgröße: | 3894 px × 2691 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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