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Condition
What is an undescended testicle? The undescended testicle is the most common birth abnormality involving the male genitals. A testicle that does not occupy a dependent scrotal position at birth is undescended. The condition occurs in about 10% of …
Condition
Cystinuria is a relatively rare disease in which people inherit an inability to process an amino acid called cystine. Excess cystine winds up in the urine, where it can lead to the formation of stones in the bladder, kidneys, and ureters. Cystine stones …
Condition
Testosterone is the “male” hormone; it is responsible for the changes that occur in boys during puberty including deepening of the voice, growth of body hair, enlargement of the penis, development of muscle mass, and production of sperm. Testosterone …