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VMS 1004 > GI Tract Canines > Flashcards

GI Tract Canines Flashcards

1
Q

Oesophagus in canines

A

Inclines to the left then regains a medial position, continues past the heart then penetrates the diaphragm

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2
Q

What are the glands in the oesophagus?

A

mostly mucus

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3
Q

Where is the stomach found?

A

(C-shaped organ) Found on the left hand side of the abdomen, It has greater and lesser curvature

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4
Q

What stomach do canines have?

A

Simple, Composed Primarily of glands, the glands occupy most of the lamina propria and produce gastric juices

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5
Q

How does the stomach expand?

A

Tunica Mucosa and Submucosa work together to expand the stomach using rugae

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6
Q

Meissners plexus

A

submucosal layer- responsible for peristaltic movement in the bowels

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7
Q

Tunica Muscularis

A

Consists of three layers of smooth muscle between Myenteric or Auerbach’s plexus

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8
Q

What are the 3 parts of the simple stomach?

A

Cardiac, Fundic and Pyloric region

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9
Q

Cardiac Region

A

Very small region, contains mucus secreting glands and is closest to the oesophagus

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10
Q

Fundic region

A

The space between the cardiac gland and the pyloric gland which contains the fundic glands

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11
Q

Pyloric gland

A

region is near the Pylorus and secretes two types of mucus and the hormone gastrin

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12
Q

Enteric nervous system

A

One of the main divisions of the autonomic nervous system

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13
Q

Omentum

A

Connecting peritoneum (connects stomach to abdominal wall)

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14
Q

What are the 4 cell types in the gastric gland?

A

Mucous, Parietal, Chief and Endocrine

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15
Q

The gastric mucosa

A

contains

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16
Q

What are the 3 parts of the omentum?

A

greater, lesser and omental bursa

17
Q

Lesser omentum

A

attached to the lesser curvature of the stomach to the portal fissure

18
Q

Greater omentum

A

attached to the greater curvature of the stomach has deep and superficial “leaves”

19
Q

Omental bursa

A

Potential space, enclosed by greater omentum

20
Q

Epiploic foramen

A

omental bursa opening to the peritoneal cavity

21
Q

What adaptations does the small intestine have?

A

Highly folded mucosa containing microvilli

22
Q

Duodenum

A

longest villi of all 3 regions and has a high number of goblet cells

23
Q

Illieum

A

Crypts contain lots of important cells including those involved in host defence and signalling

24
Q

illeal mucosa

A

large numbers of organised lymphoid tissue (Peyers patches)

25
Q

3 parts of the large intestine?

A

Ceacum, Colon (ascending, descending and transverse) and rectum

26
Q

Blood supply to the stomach

A

left gastric artery, hepatic artery and splenic artery- these all drain to the portal vein

27
Q

Blood supply to the intestine

A

Cranial and Caudal mesenteric arteries

28
Q

What innervates the stomach and intestine

A

Parasympathetic, Sympathetic and Enteric nervous system

29
Q

what are simple stomachs primarily composed of?

A

glands

30
Q

what is the ileocecal fold

A

a layer of peritoneum between the ileum and the coecum

31
Q

What does the illeal mucosa contain large numbers of?

A

lymphoid tissue

32
Q

What are the 4 types of cell found in the stomach?

A

Chief, Parietal, Endocrine, Mucus

33
Q

Which gland secretes gastrin?

A

Pyloric gland

34
Q

Which part of the small intestine has the highest number of goblet cells and the longest villi?

A

Duodenum

35
Q

What side of the body is the stomach found on?

A

The left hand side

36
Q

What side of the body is the ascending duodenum, jejenum and descending colon found on?

A

The left hand side

37
Q

What side of the body is the descending duodenum and coecum found on?

A

The right hand side

38
Q

What does the enteric nervous system control?

A

Meissner’s and myenteric plexus

VMS 1004 (30 decks)

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