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48 Cards in this Set
- Front
- Back
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Function of kidneys?
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1. Maintain fluid, electrolytes, and acid/base homeostasis
2. Endocrine: erythropoietin, renin, vitamin D conversion |
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What goes in and out of the renal hilum?
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rental artery/veins
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What is the renal sinus
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Space within kidney filled with fat
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What 4 things would you find in the medulla?
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1. Renal pyramids
2. Renal papillae 3. Renal columns 4. Medullary rays |
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Where are the renal papillae?
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Apex of pyramid
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Where are renal columns?
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between the pyramids
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What are medullary rays?
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lines radiating from papilla
collection of collecting ducts |
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What are major calyces?
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branched structures from uriteric bud
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What are minor calyces?
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They are in direct contact with apex of kidney and drain into major calyces
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What do major calyces drain into?
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Renal pelvis
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What are the vessels that supply the kidney?
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Renal arteries and veins
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What is the structural functional unit of a kidney?
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Nephron
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What makes up a nephron?
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Glomerulus and bowmans capsule
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What are the two divisions of a nephron?
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Cortical and juxtamedullary
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Whee would you find the cortical layer of a nephron?
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Closely located to capsule
SHORTER LOOP OF HENLE |
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Where would you find the vascular pole?
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glomerulus
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What would you find in the vascular pole?
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afferent and efferent arterioles
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What types of capillaries would you fine in the glomerulus?
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FENESTRATED with NO diaphragm
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What are mesangial cells?
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Specialized pericyes (contractile characteristics associated wit capillaries
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What do receptors for angiotensin II do?
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Reduce blood flow
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What do natriuretic factor receptors do?
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Increase blood flow
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What 3 things would you find in the glomerulus?
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Vascular pole, fenestrated capillaries, mesangial cells
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What 4 things would you find in bowman's capsule?
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Visceral layer, urinary space, parietal layer, and urinary pole
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What is another name for bowman's capsule?
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Glomerular or renal capsule
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Where would you find podocytes?
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visceral layer of bowman's capsule
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What do podocytes do?
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Send out processes and form filtration slits to assist in filtering
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What is another name for urinary space?
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Bowman's space
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What is the urinary space?
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Spacebetween visceral and parietal layers of the bowman's capsule
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What type of tissue makes up proximal convolute tubles?
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Simple cuboidal epithelium
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Would you see eosinophilic or basophilic cells in the proximal convolute tuble?
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eosinophilic
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What is the brush border and where would you find it?
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Microvilli border at lumen of proximal convoluted tubule
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What takes place in proximal convoluted tubule?
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Absorption and secretion
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What 4 limbs would you find in the loop of henle?
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1. Thick descending
2. Thin descending limb 3. Thin ascending limb 4. Thick ascending limb |
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What two limbs of the loop of henle are toward medulla?
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Thick and thin descending limb
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Which 2 limbs of the loops of henle are going toward the cortex?
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Thick and thin ascending limbs
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What is special about the thick and thin ascending limb?
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They are impermeable to water so they draw out the salt into paranchyma
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What type of tissue is found in distal convoluted tubule?
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Simple cuboidal epithelium
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What happens in the distal convoluted tubule?
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Na+ adsorption and K+ secretion
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What 4 things make up juxtaglomerular apparatus?
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1. Macula densa
2. Juxtaglomerular cells 3. Extraglomerular messangial (lacis) cells 4. Renin-angiotensin-aldosterone system |
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What does the renin-angiotensin-aldosterone system do?
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Retains Na+ and water, increase blood pressure
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Where does blood pressure control come from?
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Juxtaglomeular apparatus
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What are juxtaglomerular cells?
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Specialized cells of affarent arterial
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What type of epithelium would be found in the collecting tubule and duct?
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Simple cuboidal epithelium and simple columna epithelium
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What color would collecting tubule and duc stain?
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Pale
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What part of the nephron has a distinct intercellular membrane?
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Collecting tubule and duct
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Why is antidiuretic hormone necessary in the collecting tubule and duct?
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Concentrate urine and controle resorption of water
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Flow of blood supply through kidney?
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1. Renal artery
2. Interlobar arteries 3. Arcuate arteries 4. Interlobular arteries 5. Afferent arterioles 6. Glomeruli 7. Efferent arterioles 8. Peritubular capillary network, vasa recta, stellate veins 9. Interlobular veins 10. Arcuate veins 11. Interlobar veins 12. Renal vein |
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Flow of collecting system?
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1. Collecting tubules and ducts clumb at renal papilla
2. Minor Calyx 3. Major calyx 4. Renal pelvis 5. Ureter 6. Urinary bladder |
