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Chapter 1: Arterial Anatomy
Terms in this set (61)
Prox to the arch, what are the first branches of the ascending AO?
What does the innominate/brachiocephalic artery divide into?
Right CCA and Right subclavian
Branches of AO arch
3. LT subclavian Artery
which side is the innominate artery on?
upper extremity arteries
1. Subclavian A
2. Axillary A
3. Brachial A
4. Radial A
5. Ulnar A
6. Superficial Palmar Arch (volar arch)
7. Deep palmar Arch
What does the Superficial Palmar Arch (volar arch) include?
-Distal portion of ulnar artery
-Branch of radial artery
What does the Deep palmar Arch include?
-Deep palmar branch of ulnar artery
-Distal portion of radial artery
Where do digital arteries arise from?
What are some branches of the subclavian artery?
What does the subclavian artery become?
What does the axillary artery become?
What/Where does the brachial artery branch into?
radial and ulnar arteries at AC fossa
Radial artery travels down which aspect of the forearm?
Ulnar artery travels down which aspect of the forearm?
What is the predominate source of blood flow to the hand?
Visceral branches of abdominal aorta
3. Renal Arteries
What is a landmark for locating the LT renal Artery?
The LT renal vein, which courses ANT to AO
What does the celiac supply?
-Stomach, liver, pancreas, duodenum, spleen
What does the celiac branch into?
-LT gastric A
-Common hepatic A
What does the SMA supply?
-Small intestines, cecum, part of colon
What is the SMA located In reference to celiac?
1 CM apart
What two arteries of the abdominal AO can have a common trunk?
celiac and SMA
What do the renal arteries supply?
What is common to occur with renal arteries?
multiple renal arteries bilaterally
What does the IMA supply?
-Part of rectum
Where does the IMA arise?
3-4 CM above AO bifurcation into iliacs
What branch of the abdominal AO can act as a collateral connection?
What carries blood to the pelvis, abdominal wall, and lower limbs?
Internal iliac aka
The external iliac travels along side the ____________ _________ muscle
External iliac travels underneath which ligament?
the external iliac becomes what?
CFA divides into what?
SFA and Deep Femoral (Profunda) A
Where doe the SFA pass through?
an opening in the tendon of the Adductus hiatus (adductor canal or Hunter's canal)
What does the SFA become?
Where does the Deep femoral/profunda A arise
about 5 cm from inguinal ligament on the lateral side
Termination of the SFA and beginning of POP A
What gives off genicular branches to supply muscles, knee joint, and skin?
What does the POP A divide into
PTA and ATA
The ATA, PTA, and PERO A are known as what?
What is the 1st branch off of the distal POP A?
What does the ATA turn into?
DPA and extends across the dorsum (top) of the foot towards the great toe
What is the major branch off of the DPA
Deep Plantar A (penetrating the sole of the foot)
What does the deep plantar A join?
the lateral plantar A to complete the plantar arch
Where does the PTA run
short segment between ATA branch and branches of the PTA and peroneal A's
Major branches of PTA
-LAT and MED plantar A's
Where do the LAT and MED plantar A's branch and what do they supply?
Below the medial malleolus to supply the sole of the foot
Where is the Pero A located?
toward fibula traveling down MED leg
What does the PERO A supply
structures of the lateral leg/foot
What distributes blood to the digits?
plantar and dorsal metatarsals
What does the plantar arch consist of?
deep plantar artery (branch of DPA)
What is a branch of the PTA
lateral plantar A
Plantar Arch aka
What does the lateral plantar artery unite with
the deep plantar artery
What are considered resistance vessels which assist with regulating blood flow through contraction and relaxation
Nutrients and waste products are exchanged between the tissue and blood via what?
What connects arterioles and venules?
layers of arterial walls
-Tunica intima (inner)
-Tunica media (middle)
-Tunica Externa (Adventia/Outer)
What arterial layer contains the vasa vasorum
What is the vasa vasorum
tiny vessels that carry blood to the walls of larger arteries
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