PGA 3 (IMAGE)

The Francis Crick Institute

PGA 3

Caption

Microscopy image of a PGA showing it is a two-membrane sac. The inner membrane represents amniotic endoderm cells and the outer extra-embryonic mesoderm cells. The dark space in the middle represents the fluid within PGAs.

Credit

Gharibi, B. (2025). Cell

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Use only with this press release and with appropriate credit

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