Early Developmental Timeline Flashcards by Katie Black | Brainscape

Q

Day -1

A

Eureka Moment (membrane fusion/ICSI)

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Q

Day 0

A

Fertilization complete (pronuclei fuse)

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Q

Day 1

A

2-cell embryo (first embryonic cleavage)

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Q

Day 2

A

4-cell embryo

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Q

Day 2.5 - 3

A

8-cell embryo (embryo biopsy stage)

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Q

Day 3-4

A

Morula (compaction)

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Q

Day 4-14

A

Blastocyst (implantation period)

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Q

Day 15-17

A

Gastrula

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