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Endometrium with eggcell (400X)

Microimage
Image copyright: Mathias Nordvi, CC BY-NC-ND 4.0. (Tissue stain: H+E).

The dark pink area is the syncytiotrophoblast. Note the variable colouring, size and shape of the nuclei. The lighter pink area is the decidua, which forms the maternal part of the placenta. Decidua consists of transformed endometrial stromal cells.

Published July 19th 2019, updated December 9th 2019.