Cryptorchidism Cryptorchidism Cryptorchidism is the absence of one or both testes from the scrotum. The word is from the Greek κρυπτός, "kryptos", meaning hidden, and ὄρχις, "orchis", meaning testicle. It is the most common birth defect of the male genital tract. About 3% of full-term and 30% of premature infant boys are born with at least one undescended testis. However, about 80% of cryptorchid testes descend by the first year of life (the majority within three months), making the true incidence of cryptorchidism around 1% overall. Cryptorchidism may develop after infancy, sometimes as late as young adulthood, but that is exceptional.
From the Earth to the Moon (especially cannons), comes together when Impey Barbicane, its president, calls them to support his latest idea. He's done some calculations, and believes that they could construct a cannon capable of shooting a projectile to the moon. After receiving the support of his companions, another meeting is held to decide the place from which the projectile will be fired, the dimensions and materials of both the cannon and the projectile, and which kind of powder they are to use. An old enemy of Barbicane, a Captain Nicholl of Philadelphia, designer of plate armor, declares that the entire enterprise is absurd and