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603 Anatomy > Canine GI > Flashcards

Canine GI Flashcards

(75 cards)

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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
Average pH of the stomach?
2.0
26
What part of the stomach secretes more than just mucus, and what does it secrete?
Fundus - also secretes HCl and proteolytic enzymes
27
Where does the stomach sit in the body when it is empty?
lies more to the left of midline
28
What happens to the fundus when full of food?
protrudes dorsally and to the left
29
Overall movement of stomach after a meal?
extends caudally and ventrally
30
Where is the cardiac part of the stomach fixed at?
ICS 9
31
Does the pylorus sit to the right or left of midline?
right
32
Which way does the greater curvature of the stomach face?
left and ventral
33
Major duodenal papilla
hole/bump where bile and pancreatic ducts enter the duodenum
34
Minor duodenal papilla
hole/bump distal to the maajor duodenal papilla where the accessory pancreatic duct enters
35
In what species [of anatomy lab] is the cranial duodenum the smallest?
dog
36
3 Parts of the Small Intestine
1. Duodenum 2. Jejunum 3. Ileum
37
mesoduodenum
attaches duodenum to the dorsal abdominal wall
38
At what ICS is the cranial duodenual flexure?
ICS 9 (right side)
39
Parts of the Duodenum (5)
1. Cranial duodenum 2. Cranial duodenal flexure 3. Descending duodenum 4. Caudal duodenal flexure 5. Ascending duodenum
40
How far caudally does the descending duodenum go?
to the 4th to 6th lumbar vertebrae
41
What vertebra is associated with the root of the mesentery?
L2
42
Junction of the Duodenum and Jejunum?
duodenojejunal flexure
43
What part of the GI tract occupies the majority of the ventral portion of the abdomen?
jejunum
44
Define mesentery.
folds connecting the parietal and visceral parts of peritoneum
45
Where will you find mesenteric lymph nodes?
along vessels in the mesentery [of the jejunum]
46
How do you distinguish ileum from jejunum?
find the ileocecal fold
47
Ileocecal fold
attachment from cecum to the length of the ileum; contains blood vessel
48
Where does the cecum open into?
[ascending] colon
49
Cecocolic orifice
singular opening between cecum and the colon
50
Ileocolic orifice
opening between ileum and ascending colon
51
Ileocecocolic junction
where the cecum, ileum, and colon come together
52
3 Parts of the Colon
1. Ascending 2. Transverse 3. Descending
53
What are the two turns in the colon called?
right and left colic flexures
54
Which way does the transverse colon flow?
right to left
55
What is the colon called once its in the pelvis?
rectum
56
Most cranial organ in the abdomen?
Liver
57
Bile duct is formed from what other ducts?
cystic and hepatic ducts
58
What animal doesn't have a gallbladder?
horse
59
How many liver lobes does the dog have?
Six (6)
60
What are the six lobes of the liver in the dog?
1. Right lateral lobe 2. Left lateral lobe 3. Right medial lobe 4. Left medial lobe 5. Quadrate lobe 6. Caudate lobe
61
Which liver lobe has multiple parts?
caudate lobe
62
2 Parts of the Caudate Lobe
1. Caudate process 2. Papillary process
63
Which way does the parietal surface of the liver face?
towards the diaphragm (cranially)
64
Between what two liver lobes will you find the gallbladder in a dog?
quadrate and right medial lobes
65
spleen function
store blood, remove particulates from circulation,destroy worn out erythrocytes, and produce lymphocytes
66
Exocrine function of the Pancreas
digestive juices to enter duodenum through ducts
67
Endocrine function of the pancreas
produce insulin, glucagon, and gastrin
68
3 Parts of the Pancreas
1. Left lobe 2. Body 3. Right lobe
69
Mesocolon
mesentery from colon to abdominal wall
70
The median ligament of the bladder is a developmental remnant of what two structures in the fetus?
urachus and umbilical arteries
71
urachus
connects bladder to the umbilicus in a fetus
72
Coronary ligament
attaches liver to the diaphragm
73
Left and Right Triangular Ligaments
attach lateral liver lobes to diaphragm
74
Falciform ligament
also attaches liver to diaphragm, between left and right medial lobes
75
Jejunal Arcades
anastamosing arterial arches between aterial branches of the mesentery [of the jejunum]

603 Anatomy (13 decks)

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