cross section human blastocyst showing inner mass and trophoblast layers |
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| navigate by keyword : artificial biology blastocyst blastula cell clone cloning conception cross division egg embryo embryogenesis embryology embryonic fertility fertilization gamete genetic health human illustration inner insemination magnification mass medical microscope mitosis nucleus oocyte organism ovum pregnancy procreation reproduction reproductive research science section stem treatment trophoblast zygote |
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| Cross-section of human blastocyst showing inner mass and trophoblast layers, 3D illustration |
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