Doctors can often see a large hiatus hernia on a chest x-ray. Otherwise, people are given barium in a liquid before x-rays are taken (barium swallow). The barium outlines the esophagus, making abnormalities easier to see. Hernias can also be seen during an upper endoscopy.
The kidneys filter the blood to remove wastes and produce urine. The ureters, urinary bladder, and urethra together form the urinary tract, which acts as a plumbing system to drain urine from the kidneys, store it, and then release it during urination.
(yoÍorâ²Ä­n) A liquid or semisolid substance containing waste products of metabolism that are filtered from the blood by the kidneys. In most mammals and some fish and birds, urine is stored in the urinary bladder and discharged from the body through the urethra. Liquid waste excreted by the kidneys.