Brainscape's Knowledge GenomeTM

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


See full index

Year 2 - Semester 2 ANAT 316 > Lecture 17: GI Tract > Flashcards

Lecture 17: GI Tract Flashcards

1
Q

what is peritoneum?

A

-serous membrane that lines the walls of the abdominal and pelvic cavities, and covers many organs
-forms a sac that encloses the peritoneal cavity

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

Mesentery

A

-double fold
-connects parietal and visceral peritoneum

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

intraperitoneal organ

A

surrounded by visceral peritoneum

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

2 main types of peritoneum

A

-Parietal
-Visceral

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

Pariteal peritoneum

A

= of walls
-outer ring

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

what does the parietal peritoneum line

A

-inferior surface of diaphragm
-abdominal & pelvic walls
-roof over pelvic viscera

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

what does the visceral peritoneum cover

A

organs

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

2 sacs of peritoneal cavity

A

greater and lesser

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

greater sac

A

diaphragm -> pelvis

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

lesser sac

A

-behind the stomach
-can extend:
upward -> diaphragm

downwards -> between ayers of greater omentum

Left -> spleen

right -> Epiploic foramen of winslow

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

Intraperitoneal

A

-hanging via messentary
-completely covered by peritoneum

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

intraperitoneal muscles

A

liver, stomach, spleen, jejunum, ileum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Retroperitoneal

A

-behind parietal peritenium in posterior abdominal wall
-anterior surface covered

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

Retroperitoneal muscles

A

SAD PUCKER
Suprarenal/adrenal glands
Abdominal Aorta and IVC
Duodenum
Pancreas
Ureters
Colon (ascending & descending)
Kidneys
Esophagus
Rectum

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

double peritoneal folds

A

-mesentery
-lesser omentum
-greater omentum
-ligaments

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

what is in the mesentery

A

arteries and veins of GI tract

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

what does the lesser omentum sit between

A

between liver and lesser curvature of stomach

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

what acts as an apron over the GI tract

A

greater omentum

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

innervation of parietal peritoneum (retroperitoneal)

A

-segmental nerves: overlying skin & muscles (T6-L1)
-phrenic nerves
-pain is well localized

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

innervation of visceral peritoneum (intraperitoneal)

A

-visceral afferents (secondary nerves)
-pain is poorly localized

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

3 parts of the gut tube

A
  1. Foregut
  2. Midgut
  3. Hindgut
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Foregut

A

abdominal esophagus to proximal 1/2 of duodenum
-esophagus
-stomach
-liver
-gallbladder
-bile ducts
-pancreas
-proximal duodenum

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

foregut purpose

A

digestion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Midgut

A

distal 1/2 of duodenum to proximal 2/3 of transverse colon
-distal duodenum
-jejunum
-ileum
-cecum
-appendix
-ascending colon
-proximal 2/3 transverse colon

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Midgut purpose

A

absorption (ends digestion)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Hindgut

A

distal 1/3 of transverse colon to proximal anal canal
-distal 1/3 transverse colon
-descending colon
-sigmoid colon
-upper anal canal

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

hindgut purpose

A

removal of waste

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

blood supply to the foregut

A

celiac trunk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

blood supply to the midgut

A

superior mesenteric artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

blood supply to the hindgut

A

inferior mesenteric artery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Branches off the celiac trunk that supply the foregut

A

-common hepatic artery
-left gastric artery
-splenic artery

32
Q

branches off the SMA that supply the midgut

A

-inferior pancreaticoduodenal artery
-jejunal arteries
-Ileal arteries
-middle colic artery
-right colic artery
-Ileocolic artery

33
Q

no hindgut blood supply to

A

small intestine

34
Q

midgut SMA branching

A

-middle colic artery
-right colic artery
-Ileocolic artery

35
Q

middle colic artery supplies blood to

A

superior aspect of transverse colon

36
Q

right colic artery supplies blood to

A

ascending colon

37
Q

midgut structures

A

-Distal duodenum
-jejunum
-Ileum
-Cecum
-Appendix
-Ascending colon
-Proximal 2/3 trasnverse colon

38
Q

branches of the IMA in the hindgut

A

-Left colic artery
-Sigmoidal arteries
-Superior rectal artery

39
Q

sigmoid arteries supply

A

sigmoid colon

40
Q

superior rectal artery supplies

A

rectum

41
Q

hindgut structures

A

-distal 1/3 transverse colon
-descending colon
-sigmoid colon
-upper anal canal

42
Q

abdominal esophagus

A

-mechanical digestion and transfer of bolus to the stomach
-passes through diaphragm

43
Q

where does abdominal esophagus pass through the diagram

A

-esophagus hiatus
-lower esophageal sphincter

44
Q

blood supply to diaphragm

A

esophageal branch of Left Gastric Artery

45
Q

Rugae

A

contraction & expansion of the stomach & increases SA for secretion of gastric juices

46
Q

Blood Supply of greater curvature of the stomach

A

right & left gastroomental arteries

47
Q

blood supply to lesser curvature of the stomach

A

right and left gastric arteries

48
Q

blood supply to fundus of the stomach

A

short gastric arteries (via celiac trunk and splenic artery

49
Q

small intestine

A

-breaks down proteins, lipids, carbohydrates and absorption by increasing SA

50
Q

waht does the small intestine extend from

A

Pyloric orfice -> ileocecal junction

51
Q

3 parts of the small intestine

A

duodenum, jejunum, ileum

52
Q

what does the duodenum attach to proximally

A

pyloric sphincter of the stomach

53
Q

how many parts of the duodenum are there

A

4 parts
-1 is intraperitoneal
-3 are retroperitoneal

54
Q

duodenum

A

-20-25cm
-1st part of small intestine
-C-shaped

55
Q

pancreas relative to duodenum

A

pancreas punches itself into the C-shape of duodenum

56
Q

4 parts of the duodenum

A

-Superior (1st) part)
-Descending (2nd) part
-Inferior/horizontal (3rd) part
-Ascending (4th) part

57
Q

which part of the duodenum is intraperitoneal

A

the superior part (level w/ celiac trunk)

58
Q

2nd (descending) part of duodenum

A

-retroperitoneal
-contains minor & major papilla
-contains hepatopancreatic Ampulla of Vater

59
Q

Minor Papilla

A

bile, gastric juices, and enzymes enter here from pancreas

60
Q

Major Papilla

A

drains into descending portion of duodenum

61
Q

3rd (inferior/horizontal) part of duodenum

A

-retroperitoneal
-inferior to SMA
-passes anterior to abdominal aorta and IVC

62
Q

4th (ascending part of duodenum)

A

-retroperitoneal
-attaches to suspensory ligament of duodenum that hangs the duodenal fissure
-contains duodenojejunal flexure

63
Q

1st and 2nd part of duodenum is supplied by

A

anterior & posterior SUPERIOR pancreaticduodenal arteries

64
Q

3rd and 4th part of duodenum is supplied by

A

Anterior & posterior INFERIOR pancreaticduodenal arteries

65
Q

What branches off the SMA to supply the pancreas

A
  1. posterior inferior pancreaticduodenal artery
  2. Anterior inferior pancreaticduodenal artery
66
Q

Ileum location

A

-in the right lower quadrant of abdomen

67
Q

Ileum ends at

A

the iliocecal junction

68
Q

Jejunum location

A

left upper quadrant

69
Q

Jejunum begins at

A

the duodenojejunal flexure

70
Q

where does the 4th portion of the duodenum fold down

A

duodenojejunal flexure

71
Q

Mesentery proper

A

-contains blood supply & VD
-double folding of peritoneum

72
Q

Jujunum BS

A

jejunal arteries > arterial arcades > vasa recta

73
Q

Ileum BS

A

Ileal arteries > arterial arcades > vasa recta

74
Q

what do the jujunal arteries and ileal arteries branch off of

A

SMA

75
Q

Vasa recta and arcades in the Jejunum

A

not as many vasa recta & large arcades

76
Q

vasa recta and arcades in the ileum

A

more vasa recta and smaller arcades

77
Q
A

Year 2 - Semester 2 ANAT 316 (21 decks)

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