Related Clues:

• Some tubes carry them
• See 16
• Eggs are done, you say?
• A five-nil reverse that may be scrambled
• The eggs are soundly done
• A number returning with duck eggs
• Female egg cells
• Czech surname suffix
• Biological duct travelers
• Fertilized cells
• Tiny tube travelers
• Tube travelers?
• Largest human cells
• Oospheres, say
• Some reproductive cells