human eggs egg in the tubeegg with corona cellsegg with polar bodyegg with zona pellucidaimmature egg main categories human eggshuman embryosspermfertilizationfemale genital trackendometriumplacentainsectsothers Human embryo exposing the embryonic cells (blastomeres) day 6 human blastocyst attached to endometrial tissue day 2 human embryo on the tip of a pin day 2 human embryo at the 4 cells stage day 3 human embryo biopsied for genetic diagnosis day 6 hatching human blastocyst day 6 hatching human blastocyst compacted morula day 4 human embryo showing extensive fragmentation inner cell mass of day 5 zonal human blastocysts Day 6 hatched human blastocyst Day 6 hatched human blastocyst Day 6 hatched human blastocyst Day 6 hatched human blastocyst detail of day 6 hatched human blastocyst showing secretion Day 6 hatched human blastocyst on the tip of a dressmaker’s needle day 7 hatching human blastocyst on the tip of a dressmaker’s needle day 6 hatching human blastocyst Day 6 hatched human blastocyst detail of day 7 human blastocyst showing secretion day 5 hatching human blastocyst day 5 hatching human blastocyst human blastocysts showing inner cell mass unfertilized human egg Previous 1234 Next