Abdominal Aorta (295-306)

Question 1

At what level does the abdominal aorta bifurcate?;

Answer 1

L4

Question 2

Name the anterior unpaired branches of the abdominal aorta;

Answer 2

Coeliac, SMA, IMA, Medial sacral

Question 3

Name the paired branches of the abdominal aorta;

Answer 3

Inferior phrenic, middle suprarenal (adrenal), renal, lumbar, gonadal

Question 4

What is meant by Leriche syndrome?;

Answer 4

Aortoiliac occulsive dieseae. Complete occlusion of the aorta distal to the renal arteries. Presents with 6Ps (Pain, Pulselessness, Pallor, Paresthesia, Paralysis and Poikilothermia (cold)) and erectile dysfunction.

Question 5

At what vertebral level does the coeliac trunk arise?;

Answer 5

T12/L1

Question 6

Name the major branches of the coeliac trunk;

Answer 6

Common hepatic, left gastric, splenic

Question 7

Name the branches of superior mesenteric artery;

Answer 7

Inferior pancreaticoduodenal artery, jejunal and ileal arteries, ileocolic, right colic, middle colic.

Question 8

What is meant by superior mesenteric artery syndrome?;

Answer 8

Compression of duodenum (3rd part) by SMA and aorta

Question 9

Name the branches of inferior mesenteric artery;

Answer 9

Left colic artery, sigmoid artery, superior rectal artery

Question 10

Name the branches of the anterior division of the internal iliac artery;

Answer 10

8-
Umbilical (gives branch superior vesicle),
Inferior vesical artery, Uterine artery (female), Vaginal artery (female), Middle rectal artery, Internal Pudendal artery,
Obturator artery, Inferior gluteal artery

Superior vesicle artery is branch of umbilical artery or internal iliac artery!

Question 11

Name the branches of the posterior division of the internal iliac artery;

Answer 11

Superior gluteal artery, Lateral sacral arteries, Iliolumbar artery

Question 12

Name three important anatomical sites of port-systemic anastomoses;

Answer 12

Superior rectal (portal) + Middle/inferior rectal veins (systemic). Oesophageal vein (portal) + azygous (systemic). Paraumbilical vein (portal) + Superfical epigastric (ststemic)