posterior abdominal wall

Question 1

what makes up the posterior abdominal wall ?

Answer 1

• parietal peritoneum
• retroperitioneaul fat
• ligaments
• mesenteries

Question 2

what ligaments are found in the posterior abdominal wall ?

Answer 2

• gastrophrenic ligamnet
• gastroheptic ligament
• splenorenal ligament

Question 3

what mesenteries are found in the posterior abdominal wall ?

Answer 3

• transverse mesocolon
• the mesentery
• the sigmoid mesocolon

Question 4

what retroperitoneal organs ?

Answer 4

• duodenum
• pancreas
• ascending colon
• descending colon
• rectum
• kidney
• suprarenal

Question 5

what muscles are found in the posterior abdominal wall ?

Answer 5

• diaphragm
• medial and lateral acrucate ligaments
• quadratus lumborum
• psoas major
• lumbar fascia
• lliacus

Question 6

what does the quadratus lumborum attach to ?

what is it innvervated with ?

Answer 6

• 12th rib

- innverated by anterior rami of t12 to L3

Question 7

what does the psoas major connect to ?

what is it innverated by ?

Answer 7

• iliacus muscle

- anterior rami of L1 to L3

Question 8

where are lumbar plexus found ?

Answer 8

• psoas major

- formed by L1 to L4

Question 9

what stimulates branches of the iliohypogastric nerve ?

Answer 9

L1

Question 10

what nerves does the ilioinguinal branch comes from ?

Answer 10

L1

Question 11

what branch does the genitofemoral nerve comes from ?

Answer 11

L1 and L2

Question 12

what does the ilohypgastric nerve supply ?

Answer 12

upper lateral gluteal region + mons pubis

Question 13

what does the iloingunial nerves supply ?

Answer 13

external genitalia and upper medial thigh

Question 14

what does the geniofermal nerve supply?

Answer 14

• femoral branch supplies skin over femoral triangle

- gential branch supplies cremaster muscles in spermatic cord

Question 15

what are the 2 branches of the abdominal aorta ?

Answer 15

• visceral

- parietal

Question 16

what vessels are found in the parietal branches ?

Answer 16

• inferior phrenic
• lumbar
• common iliac
• external iliac
• median sacral
• internal iliac

Question 17

what are the visceral branches of the abdominal aorta ?

Answer 17

• suprarenal
• renal
• gonadal

Question 18

what are the pre-aortic branches ?

Answer 18

• coeliac trunk
• superior mesenteric artery
• inferior mesenteric artery

Question 19

what drains the foregut ?

Answer 19

splenic vein

Question 20

what drains the midgut ?

Answer 20

superior mesentric vein

Question 21

what drains the hind gut ?

Answer 21

inferior mesentric vein

Question 22

what is the hepatic portal vein made up of ?

Answer 22

• splenic vein
• superior mesentric vein
• inferior mesentric vein

Question 23

what is the ascending lumar vein made up of ?

Answer 23

4 pairs of the lumbar veins + azygos and hemiazygos veins

Question 24

describe the lymphatic drainage of the abdomen :

Answer 24

• follow pattern of arteries

Question 25

what does enlargement of the pre-aortic nodes mean ?

Answer 25

- infection or cancer in the gut