Related Clues:
- IVF cell
- Antony's egg
- Cell with 23 unpaired DNA strands
- Cell with human potential
- Egg to be fertilized
- Keeping a sort of light twinkling all around cell
- Stage before birth
- Biological egg
- Thing moving through a tube, maybe
- Egg on valiant ultra marathoners at the start
- It has human potential
- Discovered nova, universal medium for source of life
- Target of some ultrasounds