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53 Cards in this Set
- Front
- Back
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Kidneys - perform excretory functions of urinary system - produce urine |
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Ureters - transports urine to urinary bladder |
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Urinary Bladder - temporarily stores urine |
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Urethra - conducts urine to exterior - for males transports semen |
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Capsule - outer surface of the kidney - maintains shape and provides mechanical protection |
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Renal Cortex - outer layer of the kidney |
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Renal Medulla - composed of 6-18 renal pyramids |
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Renal Column - bands of cortical tissue separating adjacent renal pyramids |
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Renal Pyramid - base faces cortex - renal papilla (tip) projects into renal sinus |
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Renal Papilla - converging tip of the renal pyramid |
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Renal Pelvis - large funnel shaped chamber formed by converging major calyces |
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Minor Calyx - cup shaped drain in which renal papilla discharge urine into |
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Major Calyx - formed by the convergence of 4-5 minor calyces |
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Renal Artery - supplies blood to the kidney from abdominal aorta - branches into segmental arteries |
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Renal Vein - drain kidney - interlobar veins converge to form |
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Segmental Artery - diverge from renal artery - further divide into interlobar arteries |
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Interlobar Artery - diverge from segmental arteries - extend thru renal columns between renal pyramids - supplies blood to arcuate arteries |
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Interlobar Vein - drain into renal vein - drain arcuate veins |
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Arcuate Artery - arise from interlobar arteries - parallel boundary between cortex and medulla - diverge to cortical radiate arteries (interlobular) |
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Arcuate Vein - parallel boundary between cortex and medulla - collect blood from interlobular veins - drain into interlobar veins |
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Interlobular Vein - collect blood from nephron venules - drain into arcuate vein |
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Cortical Radiate Arteries (Interlobular Arteries) - diverge from arcuate artery - branch to afferent arterioles - supply nephrons |
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Cortical Nephron - 85% of all nephrons - located w/in superficial cortex - short nephron loop - perform most of reabsorptive and secretory fxns |
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Juxtamedullary Nephron - 15% of all nephrons - located closer to medulla - long nephron loop - create conditions necessary for the production of concentrated urine |
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Bowman's Capsule - glomerular capsule - outer wall: capsular (parietal) epithelium - separated by capsular space - inner layer: covers glomerular capillaries |
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Capsular (parietal) Epithelium - outer wall of the capsule |
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Podocytes (visceral) Epithelium - covers glomerular capillaries - specialized cells |
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Proximal Convoluted Tubule - 1st part of the renal tube - absorbs organic nutrients, ions, and plasma proteins from filtrate |
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Proximal Convoluted Tubule - 1st part of renal tube - absorbs organic nutrients, ions and plasma proteins from filtrate |
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Nephron Loop (Loop of Henle) - thick segs closest to cortex, thin segs w/in deeper medulla - descending & ascending limb - reabsorption |
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Nephron Loop (Loop of Henle) - thick segs closest to cortex, thin segs w/in deeper medulla - descending & ascending limb - reabsorption |
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Distal Convoluted Tubule - end of ascending limb - secretion, absorption |
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Distal Convoluted Tubule - end of ascending limb - secretion, absorption |
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Collecting Duct - collects tubular fluid from distal convoluted tubules - final adjustment to osmotic concentration and volume |
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Afferent Arteriole - branch from cortical radiate arteries - supply individual nephrons |
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Afferent Arteriole - branch from cortical radiate arteries - supply individual nephrons |
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Glomerulus - capillary network w/in renal corpuscule - blood arrives via afferent arteriole and exit via efferent arteriole - filtration across the walls produces a filtrate that passes on to proximal convoluted tubule |
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Glomerulus - capillary network w/in renal corpuscule - blood arrives via afferent arteriole and exit via efferent arteriol - filtration across the walls produce a filtrate that passes on to proximal convoluted tubule |
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Efferent Arteriole - departs glomerulus into peritubular capillaries |
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Efferent Arteriole - departs glomerulus into peritubular capillaries |
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Peritubular Capillaries - receives blood from efferent arteriole - surround renal tubules - drain into venules that lead to interlobular veins |
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Vasa Recta |
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Juxtaglomerular Apparatus - endocrine structure which seceretes renin and erythropoietin - regulates blood volume and BP |
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Juxtaglomerular Cells |
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Macula Densa |
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Extraglomerular Mesangial Cells |
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Renal Corpuscle |
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Bowman's Capsule |
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Glomerulus |
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Transitional Epithelium of Ureter |
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Smooth Muscle of Ureter |
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Transitional Epithelium of Urinary Bladder |
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Smooth Muscle of Urinary Bladder |
