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603 Anatomy > Canine GI > Flashcards

Canine GI Flashcards

1
Q

tissue layer of the esophagus in the neck

A

loose connective tissue

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2
Q

esophageal hiatus

A

where the esophagus goes through the diaphragm and enters the abdomen

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3
Q

4 Muscles that form the Linea Alba

A
  1. External abdominal oblique m.
  2. Internal abdominal oblique m.
  3. Transversus abdominis m.
  4. Rectus abdominis m.
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4
Q

tissue layer of the esophagus in the thorax and abdomen

A

serosa

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5
Q

What type of muscle runs the entire length of the esophagus in the dog?

A

striated muscle

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6
Q

Two Sphincters of the Esophagus

A
  1. Cranial Sphincter
  2. Lower Esophageal Sphincter (Cardiac)
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7
Q

Peritoneum

A

serous membrane of the abdominal cavity

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8
Q

In what sex dog is the peritoneal cavity fully enclosed?

A

male

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9
Q

parietal peritoneum

A

not on organ

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10
Q

visceral peritoneum

A

on or supporting an organ

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11
Q

Which organ DOES have parietal peritoneum, and on what surface?

A

Kidneys (on their ventral surface)

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12
Q

omentum

A

peritoneal structure associated with the stomach

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13
Q

greater omentum

A

expands/folds, connects greater curvature of stomach to the intestines

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14
Q

lesser omentum

A

connects stomach to the liver

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15
Q

gastrosplenic ligament

A

runs between greater omentum and hilus of the spleen

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16
Q

omental bursa

A

space formed between the superficial and deep leaves of the greater omentum

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17
Q

epiploic foramen

A

opening to access omental bursa; close to caudate process of the liver, caudal vena cava, and portal vein

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18
Q

4 Layers of the Stomach

A
  1. Serosa/visceral peritoneum
  2. Smooth muscle
  3. Submucosa
  4. Mucosa
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19
Q

gastric pits

A

holes and indentations in the mucosa of the stomach

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20
Q

ruggae

A

folds of the stomach lining (submucosa)

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21
Q

4 Parts of the Stomach

A
  1. Cardiac part
  2. Fundus
  3. Body
  4. Pylorus
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22
Q

Cardiac part

A

where the esophagus enters the stomach

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23
Q

fundus

A

dome-shaped, blind area that is left and dorsal to cardiac part

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24
Q

pylorus (pyloric part)

A

distal 1/3 of stomach (measured along lesser curvature)

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25
Q

Average pH of the stomach?

A

2.0

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26
Q

What part of the stomach secretes more than just mucus, and what does it secrete?

A

Fundus - also secretes HCl and proteolytic enzymes

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27
Q

Where does the stomach sit in the body when it is empty?

A

lies more to the left of midline

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28
Q

What happens to the fundus when full of food?

A

protrudes dorsally and to the left

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29
Q

Overall movement of stomach after a meal?

A

extends caudally and ventrally

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30
Q

Where is the cardiac part of the stomach fixed at?

A

ICS 9

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31
Q

Does the pylorus sit to the right or left of midline?

A

right

32
Q

Which way does the greater curvature of the stomach face?

A

left and ventral

33
Q

Major duodenal papilla

A

hole/bump where bile and pancreatic ducts enter the duodenum

34
Q

Minor duodenal papilla

A

hole/bump distal to the maajor duodenal papilla where the accessory pancreatic duct enters

35
Q

In what species [of anatomy lab] is the cranial duodenum the smallest?

A

dog

36
Q

3 Parts of the Small Intestine

A
  1. Duodenum
  2. Jejunum
  3. Ileum
37
Q

mesoduodenum

A

attaches duodenum to the dorsal abdominal wall

38
Q

At what ICS is the cranial duodenual flexure?

A

ICS 9 (right side)

39
Q

Parts of the Duodenum (5)

A
  1. Cranial duodenum
  2. Cranial duodenal flexure
  3. Descending duodenum
  4. Caudal duodenal flexure
  5. Ascending duodenum
40
Q

How far caudally does the descending duodenum go?

A

to the 4th to 6th lumbar vertebrae

41
Q

What vertebra is associated with the root of the mesentery?

A

L2

42
Q

Junction of the Duodenum and Jejunum?

A

duodenojejunal flexure

43
Q

What part of the GI tract occupies the majority of the ventral portion of the abdomen?

A

jejunum

44
Q

Define mesentery.

A

folds connecting the parietal and visceral parts of peritoneum

45
Q

Where will you find mesenteric lymph nodes?

A

along vessels in the mesentery [of the jejunum]

46
Q

How do you distinguish ileum from jejunum?

A

find the ileocecal fold

47
Q

Ileocecal fold

A

attachment from cecum to the length of the ileum; contains blood vessel

48
Q

Where does the cecum open into?

A

[ascending] colon

49
Q

Cecocolic orifice

A

singular opening between cecum and the colon

50
Q

Ileocolic orifice

A

opening between ileum and ascending colon

51
Q

Ileocecocolic junction

A

where the cecum, ileum, and colon come together

52
Q

3 Parts of the Colon

A
  1. Ascending
  2. Transverse
  3. Descending
53
Q

What are the two turns in the colon called?

A

right and left colic flexures

54
Q

Which way does the transverse colon flow?

A

right to left

55
Q

What is the colon called once its in the pelvis?

A

rectum

56
Q

Most cranial organ in the abdomen?

A

Liver

57
Q

Bile duct is formed from what other ducts?

A

cystic and hepatic ducts

58
Q

What animal doesn’t have a gallbladder?

A

horse

59
Q

How many liver lobes does the dog have?

A

Six (6)

60
Q

What are the six lobes of the liver in the dog?

A
  1. Right lateral lobe
  2. Left lateral lobe
  3. Right medial lobe
  4. Left medial lobe
  5. Quadrate lobe
  6. Caudate lobe
61
Q

Which liver lobe has multiple parts?

A

caudate lobe

62
Q

2 Parts of the Caudate Lobe

A
  1. Caudate process
  2. Papillary process
63
Q

Which way does the parietal surface of the liver face?

A

towards the diaphragm (cranially)

64
Q

Between what two liver lobes will you find the gallbladder in a dog?

A

quadrate and right medial lobes

65
Q

spleen function

A

store blood, remove particulates from circulation,destroy worn out erythrocytes, and produce lymphocytes

66
Q

Exocrine function of the Pancreas

A

digestive juices to enter duodenum through ducts

67
Q

Endocrine function of the pancreas

A

produce insulin, glucagon, and gastrin

68
Q

3 Parts of the Pancreas

A
  1. Left lobe
  2. Body
  3. Right lobe
69
Q

Mesocolon

A

mesentery from colon to abdominal wall

70
Q

The median ligament of the bladder is a developmental remnant of what two structures in the fetus?

A

urachus and umbilical arteries

71
Q

urachus

A

connects bladder to the umbilicus in a fetus

72
Q

Coronary ligament

A

attaches liver to the diaphragm

73
Q

Left and Right Triangular Ligaments

A

attach lateral liver lobes to diaphragm

74
Q

Falciform ligament

A

also attaches liver to diaphragm, between left and right medial lobes

75
Q

Jejunal Arcades

A

anastamosing arterial arches between aterial branches of the mesentery [of the jejunum]

603 Anatomy (13 decks)

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