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Renal capsule
fibrous connective tissue that surrounds each kidney
Renal cortex
surrounds the medulla
Renal medulla
area of kidney where filtration takes place
Medullary pyramids
where the medulla splits into sections
Kidney papilla
location where medullary pyramids empty into minor calyx
Renal columns
structures between the pyramids and which anchor the cortex
Minor calyx
located directly below the renal papillae and collects urine from pyramid
Major calyx
minor calyces converge to form this calyx
Renal pelvis
center of the kidney where urine collects
Ureters
transports urine from kidneys to urinary bladder
Urinary bladder
expandable muscular sac, makes space for urine
Trigone
triangular region of the base of the urinary bladder
Kidney blood flow
renal arteries/veins to segmental arteries to interlobar arteries/veins to arcuate arteries/veins to cortical radiate arteries/veins
Urethra
contains internal and external urethral sphincter and micturition
Internal urethral spinchter
regulates involuntary control of urine
External urethral spinchter
regulates voluntary control of urine
Micturition
process where urine is expelled from the body
Kidney
the filtration system
In the loop of Henle the ascending limb is:
Impermeable
In the loop of Henle the descending limb is:
Permeable
DCT
responds to hormones (ADH and Aldosterone), causes homeostatic changes
ADH in the collecting ducts causes:
aquaporins to open
Note 
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