Chpt. 25: Urinary

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Last updated 6:42 AM on 8/8/26
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11 Terms

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functions of urinary system

1) filter blood/release metabolic waste
2) hormone/drug clearance
3) regulate blood volume, pressure, osmolarity
4) regulate electrolytes
5) ↑ RBC production w/ EPO
6) vitamin D metabolism

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<p>parts of the urinary system</p>

parts of the urinary system

  • suprarenal gland

  • kidneys

  • ureter

  • urinary bladder

  • urethra

<ul><li><p>suprarenal gland</p></li><li><p>kidneys</p></li><li><p>ureter</p></li><li><p>urinary bladder</p></li><li><p>urethra</p></li></ul><p></p>
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<p>parts of the kidney</p>

parts of the kidney

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<p>vasculature of the kidney</p>

vasculature of the kidney

1) renal artery
2) segmental a.
3) interlobar a.
4) arcuate a.
5) interlobular a.

+ nephron

6) interlobular v.
7) arcuate v.
8) interlobar v.
9) renal v.

**no segmental vein

<p>1) renal artery <br>2) segmental a.<br>3) interlobar a. <br>4) arcuate a.<br>5) interlobular a.</p><p>+ nephron</p><p>6) interlobular v.<br>7) arcuate v.<br>8) interlobar v.<br>9) renal v.</p><p>**no segmental vein</p>
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what is a nephron?

functional unit of kidney

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<p>label parts of the nephron</p>

label parts of the nephron

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what are the renal processes of the kidney?

1) filtration in glomerulus

  • nonspecific (no protein involved)

2) reabsorption (specific)

3) secretion (specific)

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<p>what are the regions of the nephron?</p>

what are the regions of the nephron?

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<p>what is the urinary bladder? parts and function?</p>

what is the urinary bladder? parts and function?

  • degree of stretch of urinary bladder indicates when to urinate

    • smooth muscle

    • made of transitional epithelium

<ul><li><p>degree of stretch of urinary bladder indicates when to urinate</p><ul><li><p>smooth muscle</p></li><li><p>made of transitional epithelium</p></li></ul></li></ul><p></p>
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difference of gender for urethra?

  • female: external urethral sphincter, small urethra (4 cm)

  • male: internal + external urethral sphincter, large urethra (20 cm)

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how are kidney stones formed?

build up uric acid

  • genetic

  • can lead to infection