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.
What the Tortoise Said to Achilles "B", and "Z" in his notebook, Achilles asks the Tortoise to accept the hypothetical: The Tortoise agrees to accept "C", if Achilles will write down what it has to accept in his notebook, making the new argument: But now that the Tortoise accepts premise "C", it still refuses to accept the expanded argument. When Achilles demands that "If you accept "A" and "B" and "C", you must accept "Z"," the Tortoise remarks that that's "another" hypothetical proposition, and suggests even if it accepts "C", it could still fail to conclude "Z" if it did not see the truth of: The