👉 In anatomy, a caulicle is a small organ located at the base of the penis. It's an important part of the male reproductive system and helps protect the urethra from damage during sexual intercourse. The exact function of the caulicle varies depending on the species, but it's usually responsible for absorbing waste products like semen. A caulicle can be found in males only or in both sexes. In females, it's called a vulva. It is not part of the male reproductive system