Anatomy & Physiology

How many lobes is the liver divided into?

2 lobes – right and left

How many segments are the liver lobes subdivided into?

8 Couinaud segments – based on blood supply and bile duct distribution

Which blood vessel delivers blood to the liver?

Portal vein

What is the position of the pancreas in relation to the peritoneum?

Retroperitoneal

Which 2 ducts join to drain into the duodenum via the major papilla/ampulla of Vater?

Pancreatic duct and common bile duct

List the 5 anatomical divisions of the stomach

1) Cardia

2) Fundus

3) Body

4) Antrum

5) Pyloric sphincter

In the healthy state approximately what percentage of dietary iron absorbed?

5-10%

Iron is transported in the circulation bound to which protein?

Transferrin

In which part of the gastrointestinal tract does folate absorption take place?

Jejunum (proximal)

In which part of the gastrointestinal tract does vitamin B12 absorption take place?

Ileum (distal)

What effect does stimulation of the sympathetic nervous system have on gastrointestinal motility?

Reduced

Which gastric cells secrete intrinsic factor?

Parietal cells

What type of compound is intrinsic factor?

Glycoprotein