Related Clues:

• They travel through tubes
• Fried rice ingredients
• Carton contents
• Oogenesis result
• Quiche needs
• Soufflé needs
• Eggs, biologically
• Coop finds
• Fertility lab eggs
• Eggs, to a naturalist
• In vitro cells
• Food in shells
• Unhatched aves
• They're fertilized in biology
• Aves lay them