chp 26 - Chapter 26 Urinary System Functions of Urinary...

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Chapter 26 Urinary System
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Functions of Urinary System Regulates blood composition and volume Filters blood, removes/replaces molecules as needed Regulates blood pressure Production/storage/excretion of urine Red blood cell formation
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Components Kidneys nephron Ureters Bladder Urethra Fig. 26.1
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Kidneys Surrounded by layer of adipose tissue Anchored in abdom. cavity by c.t. membrane Renal fascia Fig. 26.1
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Kidney anatomy c.t. layer on outside renal capsule Outer region (tan in color) Cortex (blood flow) Inner region (red in color) Medulla (urine production)
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Fig. 26.3
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Nephrons Filter plasma from blood Blood part of nephron Return needed molecules to blood Tube part of neph. Produce urine of correct conc. ~1 million per kidney Span cortex and medulla
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Fig. 26.7
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Renal Blood Supply Fig. 26.4
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Afferent arteriole Bring blood in Glomerulus Mass of leaky fenstrated capillaries
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This note was uploaded on 05/28/2011 for the course BIO 331 taught by Professor Dr.burns during the Spring '10 term at N. Colorado.

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chp 26 - Chapter 26 Urinary System Functions of Urinary...

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