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1. The urinary system has ____ kid- 2; 2; 1
neys, _____ ureters, and _____ blad-
der.
2. Describe the shape, weight and lo- An adult kidney is bean-shaped, about the size of a can
cation of the adult kidney. of soup and weighs about 5 ounces. The right kidney lies
slightly lower than the left because of the liver's location
just above it. Both kidneys are mostly protected by the rib
cage because of their location between the T-12 and L-3
vertebra.
3. The ____glands are located on top Adrenal glands
of each kidney.
4. Describe the three layers of pro- The kidney surface is protected by three layers of special-
tective tissue that surround the ized tissue. The renal capsule is a tough fibrous outer skin
kidney. of the kidney which protects it from injury and infection.
Outside of the renal capsule is a fatty layer that pro-
tects the kidney from trauma called the adipose capsule.
The outer renal fascia is dense fibrous connective tissue
which keeps the kidney in place inside the abdominal
cavity.
5. A vertical cross section shows what The cortex, the medulla, and the pelvis.
three regions inside the kidney?
6. The _____ is a continuous outer re- Renal cortex
gion with several cortical columns
7. The renal medulla is divided into Pyramids
sections called _____.
8. Describe the renal pelvis.
, BIOD 152: Module 7 - Problem Set
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The renal pelvis constitutes a funnel-shaped tube that
connects to the ureter as it leaves the hilus.
9. Label blood supply to and within
the kidney. Make any notes/com-
ments here.
10. Trace the flow of blood through (1) Renal artery, (2) Segmental artery, (3) Lobar artery,
the vessels of the kidney from re- (4) Interlobar artery, (5) Arcuate artery, (6) Interlobular
nal artery into the glomerulus and artery, (7) Afferent arteriole, (8) Glomerular capillaries,
back to the renal vein. (9) Efferent arteriole, (10) Peritubular or Vasa recta cap-
illaries, (11) Interlobular vein, (12) Arcuate vein, (13)
Interlobar vein, (14) Renal vein
11. Input from the _______ adjusts Sympathetic nervous system
the diameter of the renal arter-
ies thereby regulating renal blood
flow.
12. Urine is carried from the kidneys to Ureters
the bladder by thin muscular tubes
called ____.
13. ______are sphincters located where Ureterovesical valves
the ureters enter the bladder.
14. Describe the three layers of the The inner lining, made of transitional epithelium, is con-
ureter wall. tinuous with the kidney's lining. The middle layer is two
sheets of muscle, one longitudinal and the other circular.
The outer adventitia layer is fibrous connective tissue.
15. Describe the urinary bladder. Com- The urinary bladder is the hollow, muscular, elastic pouch
pare male and female locations that receives, and stores urine excreted by the kidneys