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Home > All Images > 1994 > June > 30 Jun 1994

Images Dated 30th June 1994

Choose from 11 pictures in our Images Dated 30th June 1994 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.


Coloured SEM of an embryo at the stage of morula Featured 30 Jun 1994 Image

Coloured SEM of an embryo at the stage of morula

Embryo development. Coloured scanning electron micrograph of an embryo at the early stage known as the morula. The egg reaches this phase about 4 days after fertilisation after a series of mitotic divisions. At this stage about 12-16 cells are present and are surrounded by a thin glycoprotein layer, the zona pellucida, which was here removed. The inner cells of the morula will give rise to the tissues of the embryo while the outer cells, covered here by microvilli (tiny yellow ridges), will form the placenta. The morula will implant into the uterus six days after fertilisation. Magnification: x1350 at 6x7cm size

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