Abdominal Cavity II Flashcards Preview

Gross Anatomy > Abdominal Cavity II > Flashcards

Flashcards in Abdominal Cavity II Deck (62):
1

What are the segments of the small intestine?

Duodenum
Jejunum
Ileum

2

What are the segments of the large intestine?

Cecum
Colon
Rectum
Anal canal

3

What quadrant is the stomach located when empty?

Left cranial
Caudal to the liver

4

Can the stomach be palpated when empty?

No

5

Is the moderately or very full stomach palpable?

Both

6

Between which vertebrae is the moderately full stomach located?

T9-T12

7

Between which vertebrae is the very full stomach located?

T9-L3

8

Aside from palpability, what is the biggest difference between empty and full stomachs?

Full stomachs contact abdominal wall

9

What organs does the parietal surface of the stomach contact?

Liver, Diaphragm
Not covered by greater omentum

10

What organs does the visceral surface of the stomach contact?

Pancreas
Intestines
Covered by greater omentum

11

What is a common sign of a gut torsion?

Seeing the greater omentum first (visceral surface of stomach)

12

What are the regions of the stomach

Cardiac
Fundus
Body
Pyloric

13

What are the 2 segments of the pyloric portion of the stomach

Pyloric antrum
Pyloric canal

14

Which portion of the pyloric region is most narrow?

Pyloric canal

15

What are the 2 openings and respective sphincters of the stomach?

cardiac ostium/sphincter
pyloric ostium/sphincter

16

Where is the cardiac notch located?

Between cardiac and fundus

17

Where is the angular notch located?

lower part of lesser curvature

18

Which curvature is the hepatogastric ligament located?

Lesser curvature

19

Which curvature is the gastrosplenic ligament located?

greater

20

Where is the gastrophrenic ligament located?

Between esophageal hiatus and cardiac portion

21

Where is the cranial duodenal flexure located?

Right cranial quadrant

22

What quadrants does the descending duodenum cross?

Cranial right to caudal right quadrant

23

What is contained in the mesoduodenum?

Right lobe of pancreas

24

What quadrants does the caudal duodenal flexure cross?

Right caudal to left caudal quadrant

25

Does the caudal duodenal flexure lie cranial or caudal to the root of the mesentery?

Caudal

26

What quadrants does the ascending duodenum lie in?

Caudal left to cranial left

27

What is the surgery landmark located between the ascending duodenum or descending colon?

Duodenocolic fold

28

Where is the duodenojejunal flexure located in respect to the root of the mesentery?

Left of the root of the mesentery

29

What is the longest part of the small intestine?

Jejunum

30

What quadrant is the jejnum located in?

Equally in all quadrants

31

Does the greater omentum cover the jejunum?

Yes

32

What is the suspensory ligament for the jenum?

Mesojejunum

33

Where does the ileum lie in respect to the root of the mesentary?

Caudal

34

What quadrants is the ileum usually located in?

Left caudal to right caudal

35

What determines the length of the ileum?

length of antimesenteric ileal artery

36

What orifice is located between the ileum and the ascending colon?

Ileocolic orifice with ileal papilla

37

Where is the cecum located?

Right caudal/cranial quadrant

38

What is the ileocecal fold?

Aponeurosis between ileum and cecum

39

What is the cecocolic orifice?

Cecum opens directly to colon

40

Do the cecum and ileum communicate?

NO!!

41

Do dogs have a vermiform appendix?

No, developed cecum

42

What is the clinical relevance of the cecum

Whipworms

43

Where is the ascending colon located?

Right caudal quadrant to right cranial quadrant

44

What is the shortest piece of the colon?

Ascending colon

45

Where is the right colic flexure located?

Right cranial quadrant

46

Where is the transverse colon located?

right cranial to left cranial quadrant

47

Where is transverse colon in respect to the root of the mesentery?

Cranial

48

Where is the left colic flexure located?

Left cranial quadrant

49

Where is the descending colon located?

Left cranial to left caudal quadrant

50

What is the longest portion of the colon?

Descending colon

51

Which part of the GI tract is used to manipulate the visceral to the left (to see the right dorsal abdominal wall)?

Descending duodenum

52

Which part of the GI tract is used to manipulate the viscera to the right (to see the left dorsal abdominal wall?)

Descending colon

53

Where does the rectum begin?

Pelvic inlet after descending colon

54

What covers the cranial portion of the rectum?

Peritoneum

55

What suspends the cranial portion of the rectum?

Mesorectum

56

Is the caudal portion of the rectum located in the pararectal fossa?

No, it is located caudal to pararectal fossa

57

Is the caudal portion of the rectal covered with peritoneum?

No, it is located in the retroperitonal space

58

What is the rectal ampulla?

Dilation of rectum

59

What are the 3 zones of the anal canal?

Columnar zone
Intermediate zone
Cutaneous zone

60

Which zone do anal sacs open to?

Inner part of cutaneous zone

61

What structures are located in the columnar zone?

Anal columns
Anal sinuses

62

What structures open to the outer part of the cutaneous zone?

Circumanal glands