The ductus arteriosus is a normal fetal artery connecting the main body artery (aorta) and the main lung artery (pulmonary artery). The ductus allows blood to detour away from the lungs before birth. Every baby is born with a ductus arteriosus. After birth, the opening is no longer needed and it usually narrows and closes within the first few days.
Welcome to our Guide for men who have noticed blood in their urine. The medical term for blood in the urine is hematuria. Urine that contains blood can appear pink, red, maroon, or even have a dark smoky color that looks like cola. You may or may not see blood clots, which can look like coffee grounds. Rarely, red urine may be caused by certain foods or medicine.
Blood in the urine. In most cases, blood in the urine (called hematuria) is the first warning sign of bladder cancer. Sometimes, there is enough blood to change the color of the urine. Depending on the amount of blood, the urine may be orange, pink, or, less often, darker red.n most cases, blood in the urine (called hematuria) is the first warning sign of bladder cancer. Sometimes, there is enough blood to change the color of the urine. Depending on the amount of blood, the urine may be orange, pink, or, less often, darker red.