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The slides in this set show the egg cell of a starfish. As the early stages of the starfish are similar to those of humans, this set will help your students gain insight into the beginnings of their own bodies.
1. One-cell stage - wm/st (320X)
2. Two-cell stage - wm/st (320X)
3. Four-cell stage - wm/st (320X)
4. Eight-cell stage - wm/st (320X)
5. A mass of cells - wm/st (320X)
6. The blastula - wm/st (320X)
7. Early gastrula - wm/st (160X)
8. Gastrula - wm/st (240X)
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