Testicular prostheses are plastic ovoids implanted in the scrotum. These provide the appearance and feel of testes and prevent shrinking of scrotum.[1]
References
↑"Testicular Prostheses: Development and Modern Usage". Annals of the Royal College of Surgeons of England89 (4): 349–353. 1 May 2007. doi:10.1308/003588407X183463. PMID 17535609.