Urinary System Flashcards
General structure of kidney
Capsule Renal vein Nephron ureter Cortex Renal pelvis Medulla renal pyramid Renal artery
Inferior vena cava
Carries de oxygenated blood to heart
Renal artery
Carries oxygenated blood with nitrogenous waste to kidney
Renal vein
Carries purified blood to inferior vena Cava
Adrenal gland
Produces aldosterone
Aldosterone
Controls salts and is important for osmoregulation
Ureter
Carries urine to bladder
Bladder
Stores urine
Motor nerve
Stimulates contraction of bladder wall
Aorta
Carries oxygenated (with nitro) all over body
What is the function of the kidney
Control salts
Filter nitrogenous waste
Water and salt regulation
Nephron basic structure
Renal corpuscle
Renal tubule
Renal corpuscle is made up of what
Bowden’s capsule and glomerulus
What is the renal tubule made up of
Proximal tubule
Loop of henle
Distal tubule
Ultra filtration where does it occur
Renal corpuscle
Basic process of ultrafiltration
Removes waste and good products Forces particles into Bowden’s capsule bc of pressure
What is the filtrate made up of
Glucose amino acids urea Uris acid creatinine salts
Two types of reabsorption
Passive and active
Active reabsorption
Glucose and protein and water sol vits go up conc gradient to capillaries
Passive reabsorption
Water moves down conc grade it back to capillaries
What is the function of the loop of henle
High concentration of salt for osmotic withdrawal from distal tubules and collecting ducts
Selective reabsorption occurs where
Proximate convoluted tubule
How does the proxy mate convoluted tubule increase its SA
Cuboidal epithelial cells with villi and mitochondria
