Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Anatomy > 12. Midgut and Hindgut > Flashcards

12. Midgut and Hindgut Flashcards

1
Q

Which organs make up the midgut? (7)

A 
1/2 of duodenum
Jejunum
Ileum
Caecum
Appendix
Ascending colon
2/3 of transverse colon
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What artery supplies the midgut?

A

Branches of superior mesenteric artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

At what vertebral level does the superior mesenteric artery branch from the aorta?

A

L1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Which organs make up the hindgut?

A 
1/3 transverse colon
Descending colon
Sigmoid colon
Rectum
Anal canal
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What artery supplies the hindgut?

A

Branches of inferior mesenteric artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

At what vertebral level does the inferior mesenteric artery branch from the aorta?

A

L3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Where does blood from the jejunum and ileum drain into

A

Superior mesenteric veins

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Which arteries supply the jejunum and ileum?

A

Jejunal and ileal branches of superior mesenteric artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Where does lymph from the jejunum and ileum drain?

A

Mesenteric nodes –>

Pre-aortic nodes at superior mesenteric artery (L1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is the nerve supply of the jejunum and ileum?

A

ANS superior mesenteric plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Where does pain from the jejunum and ileum refer?

A

Umbilical region

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Name 3 features of the large intestine that aren’t seen in the small intestine

A 
Haustra (sacculations of wall)
Appendices epiploicae (fatty tags)
Teniae coli (3 bands of longitudinal muscle)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Which region is the caecum located in?

A

Right iliac fossa

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is the ileocaecal valve?

A

Sphincter muscle valve that separates small and large intestine

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the arterial supply of the caecum?

A

Caecal arteries form ilieocolic (branch of superior mesenteric)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Where does blood from the caecum drain?

A

Superior mesenteric vein

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Where does lymph from the caecum drain?

A

Mesenteric then superior mesenteric nodes (at L1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

What is the nerve supply of the caecum?

A

ANS superior mesenteric plexus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

In which region is the vermiform appendix found?

A

Right iliac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

What is McBurney’s point?

A

Where base of appendix is usually found

1/3rd along line from ASIS to umbilicus

21
Q

What is the arterial supply of the appendix?

A

Appendicular artery

22
Q

Where does blood from the appendix drain?

A

Posterior caecal vein

23
Q

Where does lymph from the appendix drain?

A

Mesenteric then superior mesenteric nodes (at L1)

24
Q

What is the nerve supply of the appendix?

A

ANS superior mesenteric plexus

25
Q

What is the classic description of pain from appendicitis?

A

Dull pain around umbilicus (T10)

Becomes sharp pain around McBurney’s point

26
Q

What is the arterial supply of the ascending colon?

A

Ileocolic and right colic branches of superior mesenteric artery

27
Q

Where does blood from the ascending colon drain?

A

Superior mesenteric vein

28
Q

Where does lymph from the ascending colon drain?

A

Superior mesenteric nodes at L1

29
Q

What is the nerve supply of the ascending colon?

A

ANS from superior mesenteric plexus

30
Q

What ligament is found at the left colic flexure of the transverse colon?

A

Phrenicocolic ligament (from diaphragm)

31
Q

What is the arterial supply of the transverse colon?

A

Proximal 2/3rds - middle colic artery from superior mesenteric

Distal 1/3 - left colic artery from inferior mesenteric

32
Q

What is the venous drainage of the transverse colon?

A

Superior and inferior mesenteric veins

33
Q

Where does lymph from the transverse colon drain?

A

Proximal 2/3rd - superior mesenteric nodes at L1

Distal 1/3rd - inferior mesenteric nodes at L3

34
Q

What is the nerve supply of the transverse colon?

A

Proximal 2/3rd - Superior mesenteric plexus (from vagus nerve)

Distal 1/3rd - Inferior mesenteric plexus (parasympathetics from pelvis)

35
Q

What is the marginal artery of colon? Where does it supply?

A

Anastomoses of inferior mesenteric artery and superior mesenteric artery

Supplies transverse colon

36
Q

What is the arterial supply of the descending colon?

A

Left colic and sigmoid arteries

37
Q

Where does blood from the descending colon drain?

A

Inferior mesenteric vein

38
Q

Where does lymph from the descending colon drain?

A

Inferior mesenteric pre-aortic nodes at L3

39
Q

What is the nerve supply of the descending colon?

A

Sympathetic from inferior mesenteric plexus

Parasympathetic from pelvis

40
Q

What is the arterial supply of the sigmoid colon?

A

Sigmoid branches of inferior mesenteric artery

41
Q

What is the venous drainage of the sigmoid colon?

A

Inferior mesenteric vein

42
Q

Where does lymph from the sigmoid colon drain?

A

Inferior mesenteric nodes at aorta (L3)

43
Q

What is the nerve supply of the sigmoid colon?

A

ANS from inferior hypogastric plexus

44
Q

What is the arterial supply of the rectum?

A

Superior rectal artery from inferior mesenteric

Middle rectal artery from internal iliac

Inferior rectal artery from internal pudendal

45
Q

What is the venous drainage of the rectum?

A

Superior - portal system via inferior mesenteric vein

Middle - internal iliac

Inferior - internal pudendal

PORTAL-SYSTEMIC ANASTOMOSIS

46
Q

Where does lymph from the rectum drain?

A

Upper - inferior mesenteric nodes (L3)

Lower - internal iliac nodes

47
Q

What is the nerve supply of the rectum?

A

Inferior hypogastric plexus

48
Q

Which veins does the portal vein receive blood from?

A 
Splenic vein 
Superior mesenteric vein
Inferior mesenteric vein 
Gastric vein 
Cystic vein
49
Q

What 3 areas in the abdomen have a dual arterial supply?

A

Duodenum (foregut to midgut)

Transverse colon (midgut to hindgut)

Rectum (portal-systemic anastomosis)

Anatomy (49 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions