The Tunica Albuginea is a tough, fibrous layer of connective tissue that surrounds certain organs in the body, including the testes and ovaries. In males, it encases the corpora cavernosa of the penis, providing structural support and helping to maintain an erection by trapping blood within the erectile tissue. In females, the tunica albuginea surrounds the ovaries, protecting them and maintaining their shape. This layer plays a crucial role in the reproductive system, as it helps to regulate the function of the organs it encases, ensuring proper development and hormonal balance.