Coloured SEM of human embryo at the 2-cell stage

Numéro d’image : 11875064
Coloured SEM of human embryo at the 2-cell stage
Two-cell embryo. Coloured scanning electron micrograph (SEM) of a human embryo at the two cell stage,about 30 hours after fertilisation. Still to form into a morula,a cluster of cells,each large rounded cell here is called a blastomere. The smaller spherical structure (at lower centre) is a polar body which will degenerate. The surface of each cell is covered in microvilli. This embryo has only undergone one cell division. The cells will continue to divide and eventually will transform into a human foetus composed of millions of cells. At this two-celled stage,the embryo has not yet implanted in the uterus (womb). Magnification: x830 at 6x7cm size. mag x 625 at original 6x7cm
Licence : Droits gérés
Crédit: Science Photo Library / Nikas, Dr. Yorgos
Taille de l’image : 3638 px × 4850 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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