Kidneys and Urinary System Flashcards
Roughly what vertebral level are the kidneys?
T12-L3
What does the hilum of the kidney contain? (List anterior to posterior)
Renal vein, Renal artery, Renal pelvis and Subsiduary Renal Artery
What does the renal pelvis do?
Drains urine from two or three major calyces of the kidney
What does the medulla of the kidney comprise of?
The renal pyramids - the points feed into the minor calyces
Where is the cortex of the kidney?
It is laterally including the renal columns between the renal pyramids
What levels do the renal arteries arise from?
The aorta at L1-2
Which renal artery is longer and why?
The right artery because it runs behind the inferior vena cava to cross to the right side
What is the trigone of the bladder?
A smooth area of the bladder wall where is is adhering to the smooth muscle underneath. It is bounded by the internal meatus and two ureteric orifices forming the triangular area
What is the internal meatus?
The internal urethra sphincter
What arteries supply the bladder?
Internal iliac arteries
What is the innervation of the bladder?
Sympathetic from L1-2 - inferior hypogastric plexuses
Parasympathetic from splanchnic nerves S2-4
Where does the kidney lie in relation to the peritoneum?
retroperitoneally
What are the anterior visceral relationships of the right kidney
Right suprarenal gland Liver Duodenum Hepatic flexure Loops of small bowel
What are the anterior visceral relationships of the left kidney?
Left suprarenal gland Stomach Tail of pancreal splenic flexure jejenum
Where do kidney lymphatics drain into?
Lumbar lymph nodes
