Sea Urchin Embryology Back to Contents page

 

 

 

[ANIMATIONS][PATH]

From single cell to 4 cell

This time-lapse video shows the embryo from 30 minutes to the 4 cell stage. The numbers in the lower left are minutes after fertilization.

Species is Lytichinus pictus at about 18C.

Windows: Right click on animation and choose save to file

Macintosh: Hold click on animation and choose save to file

© 1997 Chris Patton
Stanford University