Abdominal Aorta, IVC, and Abdominal Lymphatics Flashcards
The aorta enters the abdomen through the _______ (median arcuate lig. of the diaphragm) at around T12. It is primarily retroperitoneal
aortic hiatus
The aortic hiatus pierces through the diaphragm through what structure?
median arcuate ligament
Is the aorta mesenteric or retroperitoneal?
primarily retroperitoneal
The aorta descends slightly to the _____ of the midline before dividing into ________ arteries at around L4
left; common iliac
Where does the aorta bifurcate?
Around L4
What are the branches off to the body wall of abdominal aorta?
Lumbar arteries, median sacral artery, inferior phrenic
The _____ arteries supply the kidneys. How many pairs?
renal arteries(1 pair)
The ______ arteries supply the suprarenal glands; How many pairs?
suprarenal arteries(3 pairs)
The _______ arteries supply either the testes (testicular aa.) or the ovaries (ovarianaa.); How many pairs?
gonadal arteries(1 pair)
For the aortic branches to the kidneys and to glands, All vessels are ______ but _________.
bilateral but asymmetric
What are the 3 branches supplying the suprarenal gland?
Inferior, middle, and superior
The _____ artery supplies foregut derivatives
celiac artery
The ______ artery supplies midgut derivatives
superior mesenteric artery
The _____ artery supplies hindgut derivatives
inferior mesenteric artery
Where does the celiac artery come out of aorta?
upper L1
Where does the superior mesenteric artery come out of aorta?
Lower L1
Where does the inferior mesenteric artery come out of aorta?
L3
Returns nearly all of the venous blood from structures below the diaphragm, but does not drain the gut directly
IVC
It forms at L5 from a joining of the common iliac veins. It ascends slightly to the right of the midline (and to the right of the aorta. It pierces the diaphragm at T8 and enters the right atrium
IVC
T/F: There are no direct branches of IVC from the gut
True
R. suprarenal v.drains
directly to IVC
R. gonadal v.drains
directly to IVC
L. suprarenal v. drains to
l. renal v.
the l. gonadal v. drains to
l renal v.
Subcostal v. and lumbar vv. (4 pairs),connected by the vertically-running ascending _____ vein
lumbar v
The IVC lies to the _____ of the aorta.
right
The left renal vein crosses ____ to the aorta, and passes _____ to the origin of the SMA.
anterior; inferior
The right testicular/ovarian a. passes _____ to the IVC.
anterior
The IVC forms at ____, one level _____ to the division of the aorta
L5; inferior
The common iliac veins lie _______ to the common iliac a.
posterior
the median sacral a. lies ______ the left common iliac vein.
behind
the _____ artery lies Behind the left common iliac vein
median sacral a.
T/F: Lymphatics of gut derivatives follow the reverse course of the arteries
True
Lymph from the gut collects in______ , which then drain into the _____
intestinal trunks; cisterna chyli
The _____ is the beginning of thoracic lymphatic duct
cisterna chyli
Lymph from the body wall drains to ______ nodes, which drain to the ______ duct
aortic nodes; thoracic duct
T/F: Lymph from the gonads drain through nodes distributed with their arteries
True
Lymph from the skin above the umbilicus will drain to _____ nodes
axillary nodes
lymph from below the umbilicus will drain to _____ nodes
superficial inguinal nodes
lymph from below the umbilicus will drain to superficial inguinal nodes and the to _____ and _____ nodes
deep inguinal and aortic nodes
The bare area of the liver drains some of the liver’s lymph through the ______ to _____ lymph nodes
diaphragm; thoracic
The descending and sigmoid colons drain some of their lymph into the
posterior abdominal wall
The abdominal aorta is _____ of the midline
left
____ arteries supply diaphragm on the inferior surface
inferior phrenic
Which arteries are the first to branch off of the abdominal aorta?
inferior phrenic arteries
____ arteries are analogs to intercostal arteries; segmental arteries that supply posterior abdominal wall (supply psoas and quadratus)
lumbar arteries
Does the left inferior phrenic artery typically branch off of the celiac trunk?
No off of abdominal aorta
___ artery is close to the midline; goes into pelvis and lies on anterior surface of sacrum
median sacral artery
Which kidney is more superior than the other?
Left
In development, the kidneys migrate _____
upward
In development, the right kidney is impeded by what structure?
liver
______ artery branches off renal artery and ascends on gland; major blood supply of suprarenal gland
inferior suprarenal artery
_______ is on superior cole of kidney; it is a combo of endocrine and neural tissue
Suprarenal gland
Which renal artery is longer
Right
All ____ arteries anastomose in suprarenal gland
Suprarenal arteries
How many hepatic veins drain blood from the liver into the IVC?
3
The azygous and hemiazygous veins form from _______ veins
Vertical lumbar veins
Which side of the body is a varicocele more common?
Left
If SMA enlarges and causes venous backup, could flow back into the ______ vein on left causing _____
testicular vein; varicocele
