Human embryo at 8-Cell Stage, light micrograph

Bildnummer 13618887
Human embryo at 8-Cell Stage, light micrograph
Colour enhanced light micrograph of human embryo at the 8-cell stage. The eight-cell stage is a period in embryonic development when the conceptus has undergone three cleavages from a single cell, resulting in eight cells. The egg cell, or ovum, is the female reproductive cell (gamete) in oogamous organisms. In all mammals the ovum is fertilized inside the female body. The human ova grow from primitive germ cells that are embedded in the substance of the ovaries. Each of them divides repeatedly to give secretions of the uterine glands, ultimately forming a blastocyst. The ovum is one of the largest cells in the human body, typically visible to the naked eye without the aid of a microscope or other magnification device. When egg and sperm fuse, a diploid cell (zygote) is formed, which rapidly grows into a new organism. Magnification: 1000x at 35mm.
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Omikron
Bildgröße: 4150 px × 2808 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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