Midgut and Hindgut Picture Cards

Question 1

What happened? What are the symptoms and clinical signs?

Answer 1

Superior mesenteric artery syndrome. Causes bilious vomiting, dilation of the 1st and 2nd parts of the duodenum.

Question 2

Answer 2

1. Middle colic artery
2. Right colic artery
3. Iliocolic artery
4. Superior mesenteric artery
5. Superior rectal artery
6. Sigmoid branches
7. Inferior mesenteric artery
8. Left colic artery

Question 3

Answer 3

1. Hepatic portal vein
2. Superior mesenteric vein
3. Splenic vein
4. Inferior mesenteric vein

Question 4

This is a posterior view

Answer 4

1. Superior rectal artery
2. Inferior mesenteric artery
3. Internal iliac artery
4. Internal pudendal artery
5. Inferior rectal artery
6. Middle rectal artery

Question 5

This is an anterior view

Answer 5

1. IVC
2. Common iliac vein
3. Perimuscular rectal venous plexus
4. Internal rectal plexus
5. External rectal plexus
6. Inferior rectal vein (goes to internal pudendal –> internal iliac –> IVC)
7. Middle rectal vein (goes to internal iliac –> IVC)
8. Internal iliac vein
9. External iliac vein
10. Superior rectal vein (goes to portal vein)

Question 6

Answer 6

1. Superior mesenteric artery
2. Inferior mesenteric artery

Question 7

What does this drain? What does it drain into?

Answer 7

Inferior mesenteric vein, drains the hindgut, drains into the splenic vein.

Question 8

What does this drain?

Answer 8

Superior mesenteric vein, drains the midgut

Question 9

Answer 9

Splenic vein

Question 10

Also, what does this supply?

Answer 10

Iliocolic artery, supplies the distal ileum, appendix, cecum, and proximal part of the ascending colon

Question 11

What do these arteries supply?

Answer 11

Sigmoid arteries, supply the sigmoid colon

Question 12

Answer 12

small intestine - ileum

Question 13

Answer 13

small intestine - jejunum

Question 14

Answer 14

1. Appendix
2. Cecum
3. Large intestine: ascending colon
4. Large intestine: transverse colon
5. Large intestine: descending colon

Question 15

Name this thing and describe it a little

Answer 15

Transverse mesocolon - double layer of peritoneum that formed from the flap of greater omentum that fused with the transverse colon.

Question 16

How many layers of peritoneum is this thing made of?

Answer 16

greater omentum - four layers of peritoneum

Question 17

What is highlighted and what are those dark things within it?

Answer 17

Mesentery of the small intestine - vasa recta are the dark lines.

Question 18

Answer 18

1. Celiac trunk
2. Gastroduodenal artery
3. Posterior superior pancreatico-duodenal artery
4. Anterior superior pancreatico-duodenal artery
5. Posterior inferior pancreatico-duodenal artery
6. Anterior inferior pancreatico-duodenal artery
7. Superior mesenteric artery
8. Splenic artery