Primordial Gut Tube And Foregut

Question 1

When does the primordial gut tube develop

Answer 1

4th week of human development

Question 2

What is the primordial gut tube divided into

Answer 2

Foregut, midgut, hindgut

Question 3

What structures does the foregut develop into

Answer 3

Liver
Stomach and esophagus
Lower respiratory system

Question 4

What is the arterial blood supply of the foregut

Answer 4

Coeliac trunk (and its branches)

Question 5

What is the structure of the esophagus and what are its 3 constrictions

Answer 5

Muscular tube 25cm long
Constrictions: Cervical, thoracic, diaphragmatic

Question 6

What can the stomach be split into

Answer 6

Cardia, fundus, body, pylorus

Question 7

What are the two curvatures of the stomach

Answer 7

Lesser (top)
Greater (bottom)

Question 8

What is the role of the pyloric sphincter

Answer 8

Control discharge of stomach contents into duodenum

Question 9

What is the role of the gall bladder

Answer 9

Store & concentrate the bile produced in the liver

Question 10

How does bile get from the liver to the gallbladder

Answer 10

Billary ducts

Question 11

How much bile can the gall bladder store

Answer 11

50ml

Question 12

Which artery supplies the gall bladder

Answer 12

Cystic artery

Question 13

What kind of gland is the pancreas

Answer 13

Accessory digestive gland

Question 14

What are the exocrine and endocrine functions of the gall bladder

Answer 14

Exocrine: release pancreatic juice
Endocrine: insulin & glucagon

Question 15

Where do the bile duct and pancreatic duct open into

Answer 15

2nd part of the duodenum

Question 16

Where does the celiac trunk originate?

Answer 16

Originate: abdominal aorta (T12)

Question 17

What are the main branches of the Coeliac trunk (3)

Answer 17

• L. Gastric artery
• hepatic artery
• splenic artery

Question 18

Where does the L. Gastric artery run and what does it supply (3)

Answer 18

Runs along the lesser curvature of the stomach
Supplies the fundus, body of stomach, abdominal esophagus

Question 19

What does the hepatic artery supply (5)

Answer 19

Liver, pylorus of stomach, duodenum, pancreas, gallbladder

Question 20

What does the splenic artery supply (3)

Answer 20

Spleen, pancreas, stomach