Retroperitoneal Structures... (akers) Flashcards
Space between posterior abdominal wall and the parietal peritoneum of the abdomen.
Retroperitoneal space
Kidneys sit in _____ which protects you from kidney shots.
Fat
Main artery is called the ___________.
Abdominal Aorta
Abdominal aorta begins at _________.
Aortic hiatus.
Fork in Aorta is called?
Aorta Bifucation
Aorta Bifurcation leads into Common Iliac near ____.
L-4
Ureter crosses anteriorly to _________ just before bifurcation.
common iliac
3 Aorta anterior visceral branches:
celiac trunk, superior mesenteric, inferior mesenteric
3 lateral visceral branches of Aorta
Suprarenal artery, renal artery, testicular or ovarian artery
5 lateral abdominal wall branches of aorta
inferior phrenic artery 4 lumbar arteries
3 terminal branches of aorta
2 common iliac arteries and the median sacral artery.
Branches of IVC:
2 anterior visceral: hepatic veins
3 lateral visceral: right suprarenal, renal, gonadal
5 lateral abdominal wall: inferior phrenic and 4 lumbars
3 veins of origin: 2 common iliac and median sacral
nerves of posterior abdomen
Lumbar plexus, network feeding legs and lower abdomen
2 enlargements of spinal cord… traffic node
Cervical and lumbar areas
The anterior rami cant get around the ______ muscle
Psoas
Lumbar Plexus has 4 main nerves
Iliohypogastric, Ilioinguinal, lateral cutaneous nerve of the thigh, femoral nerve
Anterior rami receive ______ rami communicantes from the sympathetic trunk.
gray
The nerves are ____ until they synapse in a ganglion.
White. Once they synapse they become gray.
What innervates the lateral surface of the thigh?
Lateral cutaneous nerve of the thigh
What nerve is the largest branch of the lumbar plexus?
What lumbars?
What does it innervate in the abdomen?
Femoral Nerve, L2, L3, L4
the iliacus muscle
______ nerve innervates inner thigh muscles.
Obturator
Great vessels lie ______ to the vertebral column.
anterior
White rami pre or post ganglionic?
Hasn’t synapsed yet. contains preganglionic nerve fibers and afferent sensory nerve fibers.
Gray rami pre or post ganglionic?
Has already synapsed, contains postganglionic.
Sympathetic stops at what lowest lumbar?
L2
What fibers are in the aortic plexus?
pre and post ganglionic sympathetic fibers, preganglionic parasympathetic fibers, and visceral afferent fibers
