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6 day old human embryo is beginning to implant into the endometrium, the lining of the uterus.
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five days after the fertilisation of an egg, with some remaining sperm cells still sticking around. This fluorescent image was captured using a confocal microscope. The embryo and sperm cell nuclei are stained purple while sperm tails are green. The blue areas are gap junctions, which form connections between the cells.
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a purple, colour-enhanced human egg sitting on a pin. The egg is coated with the zona pellicuda, a glycoprotein that protects the egg but also helps to trap and bind sperm. Two coronal cells are attached to the zona pellicuda.Is it a person yet? Does it have a right to life? Does it have a soul? Or is the fact that up to 50% of human conceptions will naturally and spontaneously abort of some relevance?
See more beautiful microscopic images at Environmental Graffiti.
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