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The stages of segmentation of a fertilized ovum. Human embryonic development. Zygote, 2-cell, 4-cell, 8-cell, morula, blastula, gastrula. Vector medical illustration.
Zygote 8-cell stage. The stage of segmentation of a fertilized ovum. Human embryonic development. Vector medical illustration.
Primary Brain Vesicles in a Four-Week Human Embryo, Lateral View. Early Neural Tube Development Showing Forebrain, Midbrain, and Hindbrain.Embryonic Brain Vesicle Differentiation at Four Weeks Gestati
Nephroblastoma or Wilms tumour (more than 80% of renal tumors of childhood). Micrograph showing nodules of small cells with inconspicuous cytoplasm and hyperchromatic nuclei.
Human fertilization and embryonic development. Digital illustration, 3D render.

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