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13 Cards in this Set
- Front
- Back
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conditions of kidneys
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nephritis-inflammation of kidney
ptosis-dropping of one or both kidneys |
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Hilum
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concave notch on kidney w/
autonomic nerves lymphatics renal artery (blood in) renal vein (blood out) |
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arteries of kidney
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renal
segmental interlobal arcuate interlobular |
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capillary knot in kidney
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-endothelium is fenestrated with pores
-lamina densa (basement membrane) -slit pores |
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tubules and ducts in kedney
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*proximal convoluted tubule
*distal convoluted tubule *collecting tubule (in renal pyramid) *collecting duct w/ branches *papillary duct w/ branches |
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nephrons
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-basic structural and functional units of kidneys
-juxtamedullary nephrons 15% -cortical nephrons 85% |
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ureters
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2 of them
carry urine to bladder w/ peristaltic waves, gravity, and hydrostatic pressure |
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urinary bladder
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700-800 ml capacity
4 layers |
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4 layers of the urinary bladder
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1. mucosa w/ transitional epithelium & rugae
2. submucosa of C.T. 3. smooth muscle layer -middle circular layer -inner and outer longitudinal 4. serosa |
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urethra
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connects bladder to exterior
1.5" in females 8" males (urine and semen) -internal smooth muscle sphincter (involuntary) -external skeletal muscle sphincter (voluntary) |
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micturition
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(urinating)
bladder fills with urine a. bladder contracts b. internal urethral sphincter relaxes c. external sphincter relaxes (w/ conscious efort) |
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incontinence
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loss of control
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retention
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failure to void (males-problem w/ prostate)?
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