  Fertilized human egg (zygote) having reached the blastocyst stage ... LifeART Medical Illustrations
 Fertilized human egg (zygote) having reached the blastocyst stage ... LifeART Medical Illustrations
 Schematic showing the first division of the zygote. LifeART Medical Illustrations
 The morula; a solid mass of blastomeres resulting from the cleavage ... LifeART Medical Illustrations
 Fertilized human egg (zygote) having split into four cells. LifeART Medical Illustrations
 Fertilized human egg (zygote) during first cleavage stage, Egg has ... LifeART Medical Illustrations
 Fertilized human egg (zygote) having reached the multicelled morula ... LifeART Medical Illustrations
 Fertilized human egg (zygote) having split into eight cells. LifeART Medical Illustrations
 Stylized image showing a frontal view of a uterus with a blastocyst ... LifeART Medical Illustrations
 Human egg seconds after fertilization by a spermatozoon, Male ... LifeART Medical Illustrations
 Fertilized human egg during pronucleate stage, Egg has enlarged but ... LifeART Medical Illustrations
 Human egg seconds after having been fertilized by a spermatozoon, Egg ... LifeART Medical Illustrations
 Schema of ovulation, fertilization and implantation, Coronal view ... LifeART Medical Illustrations
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