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.
The Condition of the Working Class in England the industrial workers had lower incomes than their pre-industrial peers and they lived in more unhealthy and unpleasant environments. This proved to be a very wide-ranging critique of industrialisation and one that was echoed by many of the Marxist historians who studied the industrial revolution in the 20th century. Originally addressed to a German audience, the book is considered by many to be a classic account of the universal condition of the industrial working class during its time. The eldest son of a successful German textile industrialist, Engels became involved in radical journalism in his youth. Sent to England, what