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
Return to the Centre of the Earth the original book of "Journey", a new story, set two hundred years later, around three travellers who followed the original route but descend from a different entrance so they could experience a new journey. Wakeman purposefully unassigned names or genders for the travellers, "because they could be the person listening". Wakeman's new idea was well received by the three record companies, and he was asked to produce a demo tape of some songs, narration, and orchestral parts. However, a problem arose when Wakeman was asked about his backing band as he wished for them and the orchestra not to be