Chap 20 urinary system

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Chap 20 urinary system

• Al Mina, M.D.
• Erskine College

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Modified from

• Powerpoint Presentation for BG210-211 made by
• Dr. Nora Espinoza, Ph. D.
• Which was

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Modified from a PowerPoint Presentation made
to accompanyHoles Human Anatomy and
Physiology, 11/e byShier,
Butler, and LewisMcGraw-Hill - publisher
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Figure 20.1
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Functions

• Regulate volume, composition, pH of body fluids
• Remove/excrete metabolic wastes
• Secrete erythropoietin
• Secrete renin
• Activate Vitamin D

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Figure 20.5
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Figure 20.6
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Figure 20.13
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Figure 20.14
Some fluid and solutes out
Some fluid and solutes back in
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Nephron
Loop of Henle
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Figure 20.9
Nephron loop (Loop of Henle)
out to renal pelvis
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Parietal epithelial layer
Glomerulus
Visceral epithelial layer
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Surface of visceral epithelial layer
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Figure 20.4
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Figure 20.12
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Ureter

• 25 cm tube joins kidney to urinary bladder
• 3 layer wall
• Moves urine via peristalsis
• One way valve at opening to bladder

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Figure 20.29
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Figure 20.29
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Figure 20.32
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