The urinary system helps maintain the volume and chemical composition of fluids in the body. One of the main organs in the system are the kidneys, which filter waste products out of the body through ...

Biomarkers are measurable changes associated with the disease. Urine can reflect the changes of the body while blood is under control of the homeostatic mechanisms; thus, urine is considered an ...

Urinary retention is difficulty completely emptying the bladder. People with urinary retention may need to urinate very frequently, feel the urge to urinate again immediately after using the bathroom, ...