👉 Embryulculci, also known as "embryocysts," are a type of organ formed in the developing embryo. The term comes from Greek and means "embryo" or "embryonic." These structures are typically found in the zygote (egg) at the time of conception. They are small sac-like structures that contain cells, including the yolk sac, which is essential for nourishment and development. Embryulculci can be found as early as