Possible Clues:

• Organ that nourishes a fetus
• Fetus feeder
• Source of nourishment for embryo
• Plate can be designed for embryonic tissue
• Organ feeding a foetus
• Plate can appear in organ in womb during pregnancy
• Human's starter home?
• Nourishment in the womb
• Fetus-feeding organ
• Location of new tiny arrivals, initially