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development of urinary system - Coggle Diagram
development of urinary system
PRONEPHROS
not functional in humans
regresses by week 5
pronephric tubules
pronephric duct
MESONEPHROS
functional for short period
caudal most nephric structure
functional at 10 weeks
mesonephric tubules
(regress)
mesonphric duct
urogenital sinus
URINARY BLADDER
allantios becomes urachus
mesonphric duct = trigone of bladder
ureteric bud
uterers
renal pelvis
major calyces
collecting duct
DEVELOPMENT OF NEPHRON
formation complete at birth
functional maturation thu-out infancy
collecting ducts
metanephric mesoderm
metanephric vesicles
s-shaped renal tubules
connecting tubule
distal convoluted tubule
loop of henle
proximal convoluted tubule
bowmans capsule
RELATIVE ASCEND OF KIDNEYS
move from S1-S2 to T12-L3
rotate 90º
BLOOD SUPPLY OF KIDNEYS
definitive renal arteries develop at L2
supernumarary arteries