Cryptorchidism (over 90% in some studies). Even after orchiopexy, these may also affect sperm maturation and motility at an older age. The most common diagnostic dilemma in otherwise normal boys is distinguishing a retractile testis from a testis that will not descend spontaneously into the scrotum. Retractile testes are more common than truly undescended testes and do not need to be operated on. In normal males, as the cremaster muscle relaxes or contracts, the testis moves lower or higher ("retracts") in the scrotum. This cremasteric reflex is much more active in infant boys than older men. A retractile testis high in
From the Tropics to the Snow allowed the film to become an ironic critique of itself, humorously examining the mechanics of "documentary" film construction, and the competing pressures and choices that faced filmmakers when creating such films. It also gently parodied Lee and Mason's own situation as "young turks" charged with turning out what were in essence "production-line" propaganda films for a hidebound government department. The film co-won the Australian Film Institute's Gold Medal for Best Film in 1965. From the Tropics to the Snow From the Tropics to the Snow is a 1964 Australian short documentary film. It was one of the best known Australian