Flashcards in Urinary System Deck (220)
What is the urinary system made up of?
Where are the kidneys located?
Retroperitoneal in the upper abdomen
What is posterior to the kidney?
What is superior to the kidney?
Which kidney is lower?
Where are the superior poles of the kidney?
Right: 11th intercostal space
Left: 11th rib
At what vertebral level are the kidneys?
Which pole of the kidneys is angled inwards?
Under what ribs is the spleen located?
9 and 10
What muscles surround the kidney? Where
Posterior: Psoas major and Quadratus lumborum
Lateral: Transversus abdominis
What fat surround the kidney? Why?
Protection- kidneys have a large blood supply
What organs surround the right kidney?
lies behind the second part of the duodenum
What organs surround the left kidney?
Where does the kidneys blood supply come from and drain to?
From abdominal aorta via the renal arteries
Renal veins drain into inferior vena cava
Which renal artery is is longer?
Which renal vein is longer?
Are the renal arteries or veins posterior?
What is the renal pelvis?
The funnel-like start of the ureter where fluid drains
What structures does filtrate from the kidney flow through to enter the ureter?
What structures are in the cortex of the kidney?
Arcuate arteries and veins
Proximal and Distal convoluted tubules
What is located in the medulla of the kidney?
Loop of Henle
Are afferent or efferent arterioles larger in the kidney?
More goes in than comes out
In what plane do the ureters run vertically down the posterior abdominal wall?
In the plane of the tips of the transverse processes of the lumbar vertebrae
Where do the ureters cross the pelvis brim?
Anterior to the sacroiliac joint and bifurcation of the common iliac arteries
At what level do the ureters enter the bladder?
The level of the ischial spine
Where do the ureters get their blood supply?
Common iliac arteries
(every major vessel is passes)
Where are the constriction points on the ureter?
1) Ureteropelvic junction
2) Pelvic inlet
3) Entrance to bladder
How is urine transported to the bladder?
Through the ureters by peristalsis in their smooth muscle walls
Where are the sites kidney stones occur in the ureters?
At the constriction points along the ureter