Lab 9. Urinary System Anatomy Prelab: Voyage Through the Kidney and Kidney Diagr

Question

Lab 9. Urinary System Anatomy Prelab: Voyage Through the Kidney and Kidney Diagram Use the terms below to fill in the blanks. Active transport ADH Afferent arteriole Distal convoluted tubule Filtrate Glomerulus Renal artery Renal corpuscle Ureters Urethra Urinary bladder Urine Ascending limb Bowman's space Collecting duct Podocytes Proximal convoluted Descending limb tubule takes you from the aorta to the kidney. You travel through smaller and smaller branches, until the (2) takes you to the renal . As you corpuscle. There, you enter the capillaries of the (3), squeeze through the pores in the capillary walls, you encounter specialized cells that form a barrier, the filtration membrane. You are small enough to slip through the filtration slits of the (4) tubular conduit, the (6) and enter (5 You are swept into the first , named for its proximity to the You are bathed in a fluid consisting of (8) filtrate. The current sweeps you on, and you take a sharp turn to descend into the of the loop of Henle, where water reabsorption and is taking place. The trek turns upward after a of the loop of Henle where, in the thickened concentration of the (10) hairpin turn into the (11) area, (12) are The somewhat "refined" fluid is delivered to the last segment of the nephron, the (14) influence of the hormone (15) (16) , volume of liquid by changing the permeability of the tubule wall, and causing an osmotic flow of water that assists in the concentrating the filtrate. which is adapted for the reabsorption of sodium ions due to the . As you pass into the the hormone (17)makes final adjustments to the The waste stream, in the form of (18) where it will be conducted into the (19) (20)_for storage. It may stay here a while until it leaves the body through the (21) is delivered to the renal pelvis on its way to the

Explanation / Answer

1. Renal artery

2. Afferent arteriole

3. Glomerulus

4. Podocytes

5. Bowman’s space

6. Proximal Convoluted tubule

7. Renal corpuscle

8. Protein-free

9. Descending limb

10. Filtrate

11. Ascending limb

12. Active transport

13. Ions

14. Distal convoluted tubule

15. Aldosterone

16. Collecting duct

17. ADH

18. Urine

19. Ureters

20. Urinary bladder

21.Urethra

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