Medical Terminologies related to
Urinary System
Arterioles - Branches of renal artery in the kidney throughout the cortex.
Biliary - Relating to bile or the gallbladder and its ducts.
Biopsy - The removal of tissue and/or fluid from the body for microscopic
examination and specimen obtained.
Bowman's capsule - Cup-shaped capsule surrounding each glomerulus, which
collects waste products.
Calculus (plural:calculi) - A hard stone like mass formed in the body.
Calix or calyx (plural:calices) - Cup like collecting region in the renal pelvis.
Capillaries - Each arteriole ends in a mass of very tiny, coiled and interwined smaller
blood vessels called capillaries.
Catheter - A tube inserted into the body for removing or instilling fluids for
diagnostic and therapeutic purposes.
Collecting tubules - Each renal tubule ends in a larger tube called the collecting
tubule, which will contain urine, which is 95% water, 5% urea, creatinine, salts and
acids.
Creatinine - Waste product of muscle metabolism, nitrogenous waste excreted in the
urine.
Cystitis - Inflammation of the urinary bladder.
Cystoscopy - Examination of inside of the urinary bladder with a lighted instrument
inserted through the urethra.
Cystostomy - Surgical creation of an opening in the bladder.
Erythropoietin - A hormone secreted by the kidney to stimulate the production of
the red blood cells.
Dilation - Expansion of an organ or vessel.
Dysuria - Difficulty in urination or painful urination.
Edema - Excessive accumulation of fluid in tissues, especially just under the skin or in
the given cavity.
