Related Clues:

• In vitro cells
• 'Sunny' egg parts
• Unhatched aves
• They're fertilized in biology
• Aves lay them
• Fertility lab stock
• Eggs, to Agrippa
• Eggs, in old Rome
• Sperm targets
• 56-Down, biologically
• Things that go through tubes
• Small swimmers reach them
• What aves lay
• Caesar's morning meal?
• Eggs, in biology