Circumcised adult penis.

男性外部性器官由陰莖和陰囊所組成。被容納在陰囊裏的睾丸儘管是在腹膜腔外，它們通常組成內部性器官。

The External Sex Organs

The male external sex organs consist of the penis and the scrotum. The testicles and their attachments, which are contained in the scrotum, are usually considered internal organs, although they are outside the abdominal cavity.