Anatomy Chapter 31

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Anatomy Chapter 31
2011-04-12 10:42:34
Human Anatomy

Urinary System
Show Answers:

  1. What are the organs of the urinary system?
    kidneys, bladder, ureters & urethra
  2. What specialty in medicine focuses on the urinary system?
  3. What are the organs of the urinary tract?
    ureters, urinary bladder & urethra
  4. In relation to the peritoneum, what is the position of the kidneys?
  5. Where are the kidneys located?
    superior pole at T12 & inferior pole at L3
  6. One kidney is lower than the other. Which one? Why?
    right, to accomodate the large size of the liver
  7. In what part of a kidney do the vessels, nerves, and ureters connect to it?
  8. What internal space of a kidney houses the renal arteries, renal veins, lymphatic vessels, nerves, the renal pelvis, renal calyces, and fat?
    renal sinus
  9. What layer of dense irregular connective tissue covers the outer surface of the kidney maintaining its shape, protecting it from trauma, and preventing the spread of infecctious pathogens?
    fibrous capsule
  10. What layer of lipid-filled cells completely surrounds the kidney and offers cushioning and insulation?
    perinephric fat or adipose capsule
  11. In a coronal section what is the outer, granular layer?
    renal cortex
  12. In a coronal section what is the darker inner layer?
    renal medulla
  13. What are the triangular shaped structures within the darker, inner layer of a kidney seen in a coronal section?
    renal pyramids
  14. In the darker, inner layer of a kidney seen in a coronal section what structures lay between the triangular shaped structures?
    renal columns
  15. What part of a renal pyramid projects into the renal sinus?
    renal papilla
  16. What funnel-shaped structure attaches to a renal pyramid to collect urine?
    minor calyx
  17. The funnel-shaped structures attached to the renal pyramids within the renal sinus merge to form what still larger structures?
    major calyces
  18. What large, funnel-shaped structure within the renal sinus collects urine and delivers it to the ureter?
    renal pelvis
  19. What is the main blood supply to the kidney?
    renal artery
  20. What vein drains the kidney?
    renal vein
  21. What long, fibromuscular tubes conduct urine from the kidneys to the urinary bladder?
  22. What is the location of the ureters?
  23. What rhythmic movements of smooth muscle propel urine along the length of a ureter?
  24. pain from a ureter is projected to what dermatomes? Where are these located?
    • T11 - L2
    • loin-groin
  25. What organ serves as a reservoir for urine?
    urinary bladder
  26. What is the general location of the urinary bladder?
    posterior to the pubis
  27. What is the position of the urinary bladder in relation to the peritoneum?
  28. Where do the ureters enter the bladder?
    posterolateral wall
  29. What trinagular area within the urinary bladder has the ureteral orifices and the urethral opening as its borders?
  30. What fibromusclar tube conducts urine to the exterior of the body?
  31. What circular array of smooth muscle guards the orifice of the urethra?
    internal urethral sphincter
  32. What circular array of skeletal muscle voluntarily controls the flow of urine through the urethra?
    external uerthral sphincter
  33. How long is the female urethra?
    3-5 cm
  34. How long is the male urethra?
    18-20 cm