Zygote 4-cell stage. Human embryonic development. vector medical illustration.

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Size: 5000px × 3751px
Photo credit: © Anna Iamanova / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: 4-cell, anatomy, biology, birth, blastomeres, blastula, cage, cell, child, cytoplasm, development, division, egg, embryo, embryology, embryonic, endoderm, female, fertility, fertilization, fertilized, fetus, follicle, gastrula, genes, gynecology, health, human, illustration, infertility, insemination, medical, medicine, microscopic, morula, natural, oocyte, ovary, ovulation, ovule, penetrate, pregnancy, reproduction, reproductive, seed, sperm, stage, treatment, vector, vectors, zygote