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Condition
What is the urachus? The urachus is a remnant of a channel between the bladder and the umbilicus (belly button) where urine initially drains in the fetus during the 1 st trimester of pregnancy. The channel of the urachus usually seals off and obliterates …
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
What is meatal stenosis? Meatal stenosis is a narrowing of the opening of the urethra, the hole at the tip of the penis through which urine leaves the body. Who gets meatal stenosis? Meatal stenosis affects only circumcised males. The cause is thought to …