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Urinary System Final

This system maintains the volumbue and composition of body fluids within normal limits Urinary System
What structure envelops the kidneys? renal capsule
Exterior to the renal capsule is what? Adipose tissue
Outermost layer of the kidney Renal Cortex
Contains renal pyramids Renal Medulla
Medial to the renal medulla and is continuous with the ureter renal pelvis
Directs urine from renal papilla to renal pelvis Calyces
Carries urine from kidneys to bladder ureter
Functional unit of the kidneys, join to collecting ducts Nephrons
Structure extends to to renal papilla of pyramid Collecting ducts
Renal Corpuscle (glomerulus) contains what fluid? Blood
The glomerular capsule AKA Bowmans capsule contains what fluid? Urine
The renal tubual contains what? urine
This structure contains arterial capillaries Glomerulus
This structure is known as the "collecting cup" for unrine Glomerular Capsule
This structure extends in and out of the medulla to the proximal convoluted tubual to nephron loop to distal convoluted tubual and unites with collecting duct Renal tubual
The collecting ducts begins__________ and ends_________. cortex pyramis/papilla
Brings blood to the kidneys Renal artery
Bring blood to pyramids and to nephron Interlobar arteries
drain peritubular capillaries INterlobular Veins
Drain interlobular veins Interlobar veins
Cluster of cells that help modify BP Juxtaglomerular apparatus
Hormone secreted by kidney that increases BP by constricting arterioles, conserving water and stimulating water intake to increase BP Renin
Hormone secreted by the kidney that stimulates RBC formation when O2 levels fall below nml. Erythroprotein
These regulate solute concentration and water concentration in blood nephrons
Remove metabolic wastes and excess substances from blood nephrons
Water and solutes move from blood and into nephron to form filtrate( beginging of urine) Glomerular filtration
When usful substances move from urine to blood Tubular reabsorption
When water is removed from urine filtrate and returns to blood (last step) Water reabsorption
Do blood cells enter filtrate under normal conditions? NO
This uses nutrients and releases waste into the blood Cellular metabolism
Solvent of body where chemical reactions occur Water
Water balance is regulated by the "thirst center" AKA hypothalus
Substances that create ionswhen dissolved in water and conduct electricity Electrolytes
This controls whether more or less water than normal is absorbed ADH
Waste product of Nucleic acid excess is excreted in urine Uric Acid
Waste product of muscle metabolism excreted in urine Creatinine
What are the 3 layers of the ureter OUter fibrous layer, middle layer( smooth muscle that moves urine by peristalsis), Inner layer, mucous membrane for lubrication
Which layer forms a flap to prevent urine from flowing back into the bladder Innner layer
Another word for urination Micturition
How many mL can the bladder hold? 1000 mL
At how many mL do you feel the urge to urinate? About 200- 400ml
INnermost layer of the Bladder wall, w/ transitional epithelium Mucosa
Layer of bladder wall that contains blood vessels and nerves submucosa
3rd layer of bladder wall that contracts to expel urine and also forms the internal urethral sphinctor Detrusor muscle
Smooth muscle is volentary or involentary? involentary
Outermost fibrous connective tissue of the bladder wall Parietal Peritoneum
Urine is slightly acidic or basic? Acidic
What is the Ph level of urine? 6
Created by: Becker12984



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