Wild Type Comma-Pretzel

The reason for the jump from the "8 cell embryo" to "comma-stage embryo" frame is that it is difficult to observe how many cells an embryo possesses after the 8 cell stage.

"Comma"-stage embryo

 

"Twofold"-stage embryo

"Threefold"-stage embryo

"Pretzel"-stage embryo

PreviewAttachmentSize
toCommaA.mov1.71 MB
toTwoFoldA.mov521.42 KB
toThreeFoldA.mov154.37 KB
toPretzelA.mov61.89 KB