Chapter 7 - Vocabulary

  1. arteriole
    small artery
  2. Bowman capsule
    enclosing structure surrounding each glomerolus
  3. calyx or calix (plural: calyces or calices)
    cup-like collecting region of the renal pelvis
  4. catheter
    tube for injecting or removing fluids
  5. cortex
    outer region
  6. creatinine
    waste product of muscle metabolism
  7. electrolyte
    a chemical element that carries an electrical charge when dissolved in water
  8. erythropoietin (EPO)
    a hormone secreted by the kidney to stimulate the production of red blood cells by bone marrow
  9. filtration
    passive process whereby some substances, but not all, pass through a filter or other material
  10. glomerulus (plural: glomeruli)
    tiny ball of capillaries in cortex of kidney
  11. hilum
    depression or hollow in that part of an organ where blood vessels and nerves enter and leave
  12. kidney
    one of two bean-shaped organs behind the abdominal cavity on either side of the backbone in the lumbar region
  13. meatus
    opening or canal
  14. medulla
    inner region
  15. micturition
    urination; the act of voiding
  16. nephron
    combination of glomerulus and renal tubule where filtration, reabsorption, and secretion take place in the kidney
  17. nitrogenous waste
    substance containing nitrogen and excreted in urine
  18. potassium (K+)
    an electrolyteimportant to body processes
  19. reabsorption
    in this process, the renal tubules return materials necessary to the body back into the bloodstream
  20. renal artery
    blood vessel that carries blood to the kidney
  21. renal pelvis
    central collecting region in the kidney
  22. renal tubule
    microscopic tube in the kidney in which urine is formed after filtration
  23. renal vein
    blood vessel that carries blood away from the kidney and toward the heart
  24. renin
    an enzymatic hormone synthesized, stored, and secreted by the kidney
  25. sodium (Na+)
    an electrolyte regulated in the blood and urine by the kidneys
  26. trigone
    triangular area in the urinary bladder in which the ureters enter and the urethra exits
  27. urea
    major nitrogenous waste product excreted in urine
  28. ureter
    tube leading from each kidney to the urinary bladder
  29. urethra
    tube leading from each kidney to the urinary bladder
  30. uric acid
    a nitrogenous waste excreted in the urine
  31. urinary bladder
    hollow muscular sac that holds and stores urine
  32. urination
    process of expelling urine; also called micturition
  33. voiding
    emptying of urine from the urinary bladder; urination or micturition
Card Set
Chapter 7 - Vocabulary
The Language of Medicine - Chapter 7 Urinary System vocabulary