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Medical Terminology

Chapter 7 - Urinary System

arteriole small artery
calyx ; calix cuplike collecting region of the renal pelvis
catheter tube for injecting or removing fluid
cortex outer region of an organ
creatinine nitrogenous waste excreted in urine
electrolyte chemical element that carries an electrical charge when dissolving in water
erythropoietin hormone secreted by the kidney to stimulate production of res blood cells by bone marrow
filtration process whereby some substances pass through a filter
glomerulus capsule enclosing structure surrounding each glomerulus : also called the Bowman capsule
glomerulus tiny ball of capillaries the kidney
hilum depression in the part of an organ where blood vessels and nerves enter and leave
kidney one of two bean-shaped organs that filter nitrogenous waste from the bloodstream to form urine
meatus opening or canal
medulla inner region of an organ
nephron the functional unit of the kidney where filtration, reabsorption and secretion take place
nitrogenous waste substance containing nitrogen and excreted in urine
potassium (K+) an electrolyte regulated by the kidney
reabsorption renal tubules return materials necessary to the body back into the bloodstream
renal artery blood vessel that carries blood to kidney
renal pelvis central collection region in the kidneys
renal tubules microscopic tubes in the kidney where urine is formed after filtration
renal vein blood vessel that carries blood away from the kidneys
renin hormone secreted by the kidney that raises blood pressure
sodium (Na+) an electrolyte regulated in the blood and urine by the kidneys
trigone triangular area in the urinary bladder
urea major nitrogenous wasted excreted in the urine
ureter one of two tubes leasing from the kidneys to the urinary bladder
urethra tube leading from the urinary bladder to the outside of the body
uric acid nitrogenous waste product excreted in the urine
urinary bladder hollow, muscular sac that holds and stores urine
urination (voiding) process of expelling urine,
Created by: KariTansowny