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Physiology Lab
Urinary System
| Question | Answer |
|---|---|
| Kidneys | Filters blood and processes filtrate |
| Renal Artery | Supplies kidneys with blood |
| Renal Vein | Drain kidneys |
| Ureters | Transport urine from kidneys to bladder via peristalsis |
| Urinary Bladder | Reservoiir for urine |
| Urethra | Transports urine from bladder to outside of body |
| Cortex | Outer portion of kidney; protection for PCTs and DCTs |
| Renal Column | Anchors cortex |
| Medulla | Innermost portion of kidney; has nephrons responsible for salt and water balance in blood |
| Renal Pyramids | Cone-shaped tissues of kidney; 8-15 of them |
| Minor Calyces | One for each renal papilla which projects into a funnel-shaped space; collects urine |
| Major Calyces | Two to three; urine is drained into them |
| Renal Pelvis | Collects urine and transports it to ureter |
| Glomerulus | In cortex; a capillary network; filtration occurs here |
| Glomerular Capsule | Produces a filtrate that must be modified |
| Proximal Convoluted Tubule (PCT) | Reabsorbs ions, nutrients, plasma proteins, vitamins, and water |
| Loop of Henle | Reabsorbs water in tubular fluid, Na+, and Cl- |
| Distal COnvoluted Tubule (DCT) | Secretes H+ and K+; reabsorbs water and Na+ in presence of aldosterone and ADH |
| Glomerular Filtration | Some water and dissolved solutes in blood plasma PASSIVELY move out of glomerulus |
| Tubular Reabsorption | ACTIVELY transports filtrate by diffusion back to blood |
| Tubular Secretion | ACTIVELY transports solutes from blood to tubular fluid |
| Urine Formation Processes | Glomerular Filtration, Tubular Reabsorption, Tubular Secretion |
| Blood Flow | Renal Artery, Segmental Artery, Interlobar Artery, Arcuate Artery, Interlobar Artery, Afferent Arteriole, Glomerulus, Efferent Arteriole, Peritubular Capillaries, Interlobar Vein, Arcuate Vein, Interlobar Vein, Renal Vein |
| Urine Filtrate Flow | Renal Artery, Segmental Artery, Interlobar Artery, Arcuate Artery, Interlobar Artery, Afferent Arteriole, Glomerulus, Glomerular Capsule, PCT, Loop of Henle, DCT, Collecting Duct, Minor Calyx, Major Calyx, Renal Pelvis, Ureters, Urinary Bladder, Urethra |
| Nephrons | Glomerulus, Glomerular Capsule, PCT, Loop of Henle, DCT |
Created by:
dlnymarie
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