Related Clues:

• ''Origines avium''
• Eggs that may be frozen
• 28-Across doubled and fancy
• Monthly travelers?
• Eggs, fancified
• In vitro fertility needs
• Egg, scientifically
• Egg, in old Rome
• Eggs, centuries ago
• Fallopian tube cells
• Egg, fancy
• Eggs, to an oologist
• In vitro supply
• Breakfast for an old Roman?
• In-vitro cells