B16381 | Chick unincubated blastoderm w.m. |
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B16382 | Chick primitive streak (12 hrs) m.w. |
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B16383 | Chick 18 hrs. stage w.m. |
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B16384 | Chick 21 hrs. stage w.m. |
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B16385 | Chick 30 hrs. stage w.m. |
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B16386 | Chick 36 hrs. stage w.m. |
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B16387 | Chick 48 hrs. stage w.m. |
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B16390 | Chick 60 hrs. stage w.m. |
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B16391 | Chick 72 hrs. stage w.m. |
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B16392 | Chick 24 hrs. t.s. primitive streak |
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B16393 | Chick 36 hrs. t.s. |
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B16394 | Chick 72 hrs. h.l.s. |
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B16395 | Chick 96 hrs. h.l.s. |
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