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| Gestational age
|
|||
|---|---|---|---|
| Growth | E21 | E24 | E28 |
| Teratoma | 10/27 | 3/8 | 0/23 |
| Specific organ growth | 5/27 | 5/8 | 21/23 |
Embryonic liver precursor tissues obtained at various gestational ages were implanted under the kidney capsule. Tissue growth and development were evaluated 6 weeks after implantation as described in Methods.
