L23- Urinary system Flashcards
What cavities contain the urinary system
Both abdominal & pelvic cavities
What are the 4 major components of the urinary system
Kidneys, ureters, bladder, urethra
What quadrants are the kidneys located in & between which vertebrae
Upper left and right quadrants, between T12-L3
Why is the right kidney slightly lower than the left kidney
Due to the large amount of space the liver occupies in the RUQ
Where is the kidney located compared to the peritoneum
Retroperitoneal
Posterior to the kidneys are which 2 muscles
Psoas major, quadratus lumborum
Identify the peritoneum, psoas major, quadratus lumborum
Which ribs are located posterior to the left and right kidneys
Ribs 11/12 (floating ribs)
What 2 things are the kidneys directly surrounded by
Perinephric fat, renal fascia
Identify the perinephric fat & renal fascia
Identify perirenal fat capsule, renal fibrous capsule, renal fascia posterior/ anterior layers
What is the entry/ exit of the kidney called
Hilum
Identify all arrows
The renal columns break the renal medulla into what
Renal pyramids
Where does filtration start
Renal cortex
What is this
Renal pyramid/ medulla
Identify arrows
Where does the urine enter the conduction system
Renal papilla
Each papilla drains into what
Minor calyx
2 or more minor calyces drain into what
Major calyx
All major calyces drain into what
Renal pelvis
Renal pelvis becomes what
The ureter
What is the flow of urine
Renal cortex–> renal medulla–> renal papilla–> minor calyces–> major calyces–> renal pelvis–> ureter
Identify arrows
Identify arrows
Which renal artery is longer
Right renal artery
Right renal artery passes posteriorly to what
Inferior vena cava
During development the kidneys develop in the ______ region then ascend
Caudal (tail-like region)
What are accessory/ supernumerary renal arteries from
During developmental ascent when the lower arteries don’t degenerate
Gonads develop where then do what
Develop higher up then descend
Which renal vein is longer
Left renal vein
The left renal vein passes under what
Celiac trunk
What hangs over the left renal vein
Superior mesenteric