Lesson 4 (Part 3)

Question 1

Where does the SMA originate?

Answer 1

The aorta

Question 2

Where does the GDA originate?

Answer 2

Common hepatic artery

- right branch of the celiac trunk

Question 3

Where does the splenic vein originate?

Answer 3

Spleen

Question 4

Where does the SMV originate?

Answer 4

Small intestines

- ilium and jejunum

Question 5

What is the main pancreatic duct?

Answer 5

Duct of Wirsung

Question 6

What does the duct of wirsung do?

Answer 6

It dumps secretions into the duodenum via major papilla (ampula of vater)

Question 7

What is another word for major papilla?

Answer 7

Ampula of vater

Question 8

What does the duct of wirsung merge with?

Answer 8

The common bile duct before entering the duodenum at the amoula vater

Question 9

What is the size of the duct of wirsung?

Answer 9

3mm or less

Question 10

How is the duct of wirsung seen in the body of the pancreas?

Answer 10

As a linear structure in the body

- anechoic

Question 11

Is the pancreas routinely imaged in an abdominal ultrasound?

Answer 11

Yes

Question 12

What are the best positions to see the pancreas? (3)

Answer 12

1. Supine
   - most common
2. Right anterior oblique and left lateral decubitus
3. Left coronal

Question 13

What axis are you looking at when scanning the pancreas in transverse?

Answer 13

The long axis

Question 14

What can you see of the pancreas when you are in trans view?

Answer 14

The whole pancreas

Question 15

What can you see of the pancreas when you are in sagittal view?

Answer 15

Only certain parts of the pancreas at a time

Question 16

How is the tail angled in the pancreas?

Answer 16

Angled up to the spleen

- head is more inferior and tail is more superior

Question 17

What organs make it hard to see the pancreas? (3)

Answer 17

1. Stomach
2. Rib cage
3. Bowel

Question 18

What organ helps us see the pancreas better?

Answer 18

Liver

Question 19

What are 4 techniques used to help you clear the view of the pancreas?

Answer 19

1. Drink water
2. Deep breath in
3. Pushing stomach out
4. Standing

Question 20

What does the pancreas develop from?

Answer 20

2 buds

Question 21

What are the 2 buds?

Answer 21

1. Dorsal (cranial) pancreatic anlage

2. Ventral (caudal) pancreatic anlage

Question 22

What do the 2 buds arise from? (2)

Answer 22

1. Foregut

2. Midgut

Question 23

When are the 2 buds suppose to fuse?

Answer 23

6-8 weeks

Question 24

What does the dorsal cranial pancreatic anlage make up? (2)

Answer 24

1. Body

2. Tail

Question 25

What does the ventral caudal pancreatic anlage make up? (2)

Answer 25

1. Head

2. Uncinate process