Week 30 - Liver, Spleen, Gallbladder

Question 1

Name the borders of Calot’s (hepatocystic) triangle.

Answer 1

Calot’s triangle (cystohepatic triangle) is a small anatomical space in the abdomen.

It is located at the porta hepatis of the liver – where the hepatic ducts and neurovascular structures enter/exit the liver.

• Medial – common hepatic duct.
• Inferior – cystic duct.
• Superior – inferior surface of the liver.

Question 2

Erosion of the posterior wall of the first part of the duodenum by a peptic ulcer may threaten which artery?

• a) Splenic artery
• b) Superior mesenteric artery
• c) Common hepatic artery
• d) Right gastric artery
• e) Gastroduodenal artery

Answer 2

Question 3

a) What is the name of the thickening of the inferior portion of the falciform ligament?

b) What embryological remnant is found within this structure?

Answer 3

a) What is the name of the thickening of the inferior portion of the falciform ligament? = Ligamentum teres

b) What embryological remnant is found within this structure? = Umbilical vein

Question 4

List three features of the large bowel that differentiate it from the small bowel.

Answer 4

1. Haustra
2. Taenia Coli
3. Epiploic appendages
4. Wider diameter - 3, 6, 9 rule = small bowel 3cm, large bowel 6cm and cecum 9cm

Question 5

5 Differences between Jejunuum & Ileum?

Answer 5

The jejunum and ileum are the distal two parts of the small intestine. In contrast to the duodenum, they are intraperitoneal.

They are attached to the posterior abdominal wall by mesentery (a double layer of peritoneum).

The jejunum begins at the duodenojejunal flexure. There is no clear external demarcation between the jejunum and ileum – although the two parts are macroscopically different. The ileum ends at the ileocaecal junction.