Urinary Flashcards
The kidneys are located where in the peritoneum?
Retroperitoneal
Two lumbar plexus nerves originating from L1
Iliohypogastric
Ilioinguinal
Lumbar plexus nerve that is piercing psoas major
Genitofemoral nerve
Lumbar plexus nerve that runs along psoas major
Obturator nerve
Lumbar plexus nerve that comes out from under psoas major
Lateral femoral cutaneous nerve
Function of psoas
Flex trunk/thigh; stabilizer (weakness can lead to pelvic tilt)
Function of iliacus
Flex thigh, stabilize hip
Function of quadratus lumborum
Extend and laterally flex trunk
What are the nerves of the lumbar plexus?
Iliohypogastric (L1) Ilioinguinal (L1) Gentiofemoral nerve (L1-L2) Femoral nerve (L2-L4) Obturator (L2-L4) Lumbosacral trunk (L4-L5)
What are the unpaired branches of the aorta and what level are they found at?
Celiac trunk - T12
SMA - L1
IMA - L3
What are the paired branches of the aorta and what level are they found at?
Suprarenal arteries - L1
Renal arteries - L1
Gonadal arteries - L2
Where do the right and left gonadal veins drain into?
Right - IVC
Left - left renal artery
Superficial to renal fascia
Paranephric fat
Renal fascia
Gerota’s fascia
Deep to renal fascia
Perinephric fat
Which is the most anterior, the renal artery or vein?
Renal vein
Path of renal output
Renal pyramids Penal papillae Minor calices Major calices Renal pelvis Ureter Boston harbor
What are the 3 potential sites of kidney stone obstruction in the ureter?
- ureteropelvic junction
- crossing pelvic brim
- entering bladder wall
Which renal artery is longer? Vein?
The right artery is longer, the left vein is longer
Innervation of the kidneys
Thoracic splanchnic nerve
What attaches the bladder to the anterior abdominal wall?
Median umbilical ligament
Name of bladder muscle
Detrusor
Smooth portion of inner bladder, sensitive to expansion
Trigone of the bladder
Which urinary sphincter is voluntary? Involuntary?
Involuntary - internal urethral sphincter (male only)
Voluntary - external urethral sphincter
What is the arterial supply of the bladder?
Superior vesicular artery/vein (off internal iliac)
Inferior vesicle/vaginal artery/vein
Innervation of the external urethral sphincter
Pudendal nerve
S2, S3, S4 keeps the pee off the floor
Innervation of the bladder
S: pelvic plexus
P: pelvic splanchnic nerve and inferior hypogastric plexus
