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Flashcards in GI anatomy Deck (221)
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1

Where do the lowermost fibres of internal oblique muscle take origin from?

lateral 2/3 of inguinal ligament

2

Which artery perfuses the pancreas?

Splenic artery

2

At what vertebral levels are preganglionic sympathetic fibres for the hindgut derived from?

T12-L2

3

In which quadrant is the jejunum?

LUQ

4

Which kidney is slightly more superior?

Left

4

Which is brighter on CT: fat or soft tissue?

Soft tissue

4

Which organ is just below the celiac trunk?

Pancreas

5

What is the surface marking for the fundus of the gall bladder?

Intersection of linea semilunaris with costal margin on right side

5

What do we call the aponeurotic envelope that contains the rectus abdominus on each side of the midline?

Rectus sheath

5

Where is the deep inguinal ring?

Exactly half way between ASIS (ant sup iliac spine) and the pubic tubercle and a fingers breadth above the inguinal ligament

5

What are the 4 muscles in the paravertebral gutter?

Psoas major. Psoas minor. Quadratus lumborum. Iliacus

5

What contributes to the major duodenal papilla?

Bile duct and pancreatic duct

5

Is the pancreas intraperitoneal or retroperitoneal?

Retroperitoneal

5

Where do the unpaired intraperitoneal structures have venous drainage to?

Portal venous system

5

How is the transpyloric plane identified on surface anatomy?

The intersection of the lines semilunaris with costal margin

5

What does the proper hepatic artery divide into?

The right and left hepatic arteries

6

Where do the lower most fibres of the transverse abdominus originate?

Lateral 1/2 of ingiunal ligament

6

What is the ligamentum teres a remnant of?

Umbilical vein

7

Which aspect of the rectus sheath is present all the way from superior to inferior?

Anterior

7

What defines the limits of the fundus of the stomach?

Cardiac notch (incisure) and angular notch

7

Is the horizontal part of the duodenum intraperitoneal or retroperitoneal?

Retroperitoneal

7

Which part of the duodenum is intraperitoneal?

The first inch of the duodenal cap

8

Is the cecum intra- or retro-peritoneal?

Intraperitoneal

8

What does the aorta bifurcate into?

Common iliac arteries

9

Between which muscles is the neurovascular bundle of the anterior abdominal wall?

Between internal oblique and abdominis transversus muscles

9

How many segmental arteries are there from the renal artery?

5

11

Which muscles arch up and over to insert into the pubic crest via conjoined tendon

Inner oblique and transverse abdominus

11

What is the rectus sheath?

An aponeurotic envelope that contains the rectus abdominus on each side of the midline

11

Which arteries supply the greater curvature of the stomach?

Left and right gastro-epiploic arteries

12

How long are the ureters?

20-30cm