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VETS1003: Digestion > Pig > Flashcards

Pig Flashcards

1
Q

The dental formula of pigs is similar to dogs except that pigs have an extra

A

Upper molar

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2
Q

The pig has a much larger ___ salivary gland than the dog, which covers the more medial ____ gland

A

Parotid; mandibular

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3
Q

The dorsomedial blind pouch off the fungus of the pig’s stomach is called the

A

Diverticulum ventriculi

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4
Q

Distinct longitudinal bands alone the pig’s intestine are called

A

Taenia

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5
Q

Pig teeth are

A

Brachydont

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6
Q

The pig has an extra bone in the nose called ___ which helps ____

A

Os rostrale; rooting behaviour

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7
Q

The upper incisors of pigs are ___ for ___

A

Curved; grasping

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8
Q

Lower incisors of the pig are

A

Projected rostrally

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9
Q

Pig teeth are designed for

A

Crushing

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10
Q

The occlusial surface of pig cheek teeth (2)

A

-more significant than in carnivores
-contain many tubercles (irregular surface)

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11
Q

The roots of pig canines exhibit ____ and form ___ in boars

A

Prolonged growth; tusks

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12
Q

Tusk growth in sows stop at around

A

2 years of age

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13
Q

Pigs have ___ teeth

A

44

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14
Q

Dental formula of adult pig

A

2 (I 3/3 C 1/1 P 4/4 M 3/3)

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15
Q

How many incisors does the pig have

A

6 upper, 6 lower

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16
Q

How many canines does the pig have

A

2 upper, 2 lower

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17
Q

How many premolars does the pig have

A

8 upper, 8 lower

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18
Q

How many molars does the pig have

A

6 upper, 6 lower

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19
Q

Needle teeth (5)

A

-found in piglets
-deciduous incisor 3 and canine teeth
-can be clipped at birth
-project laterally
-damage the sow’s teats

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20
Q

The babirusa is

A

A type of wild pig where the upper tusk pierces the flesh

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21
Q

The pig tongue is

A

Long and narrow

22
Q

Three types of papillae on the pig’s tongue

A

-vallate (dorsal)
-foliate (lateral)
-fungiform

23
Q

The parotid gland of pigs (2)

A

-very large
-covers medial mandibular salivary gland

24
Q

The tonsils of pigs (4)

A

-large, flat follicular
-on the ventral surface of the soft palate
-extend down the lateral walls of oropahrynx
-assessed at slaughter

25
Q

In pigs, what structure is located dorsal to the entrance of the oesophagus

A

Diverticulum

26
Q

The stomach of pigs (4)

A

-mostly glandular
-less distension (not much stretch)
-has 4 parts

27
Q

The oesophagus of pigs is mostly

A

Skeletal muscle, with the last 10% transitioning to smooth muscle

28
Q

The dorsal-medial pouch that is off the fungus of the pig’s stomach is called the

A

Diverticulum ventriculi

29
Q

4 parts of the pig’s stomach

A

-cardia
-fungus
-body
-pylorus

30
Q

The largest portion of the pig’s stomach is te

A

Cardia

31
Q

Most of the body of the pig’s stomach is

A

Fundic

32
Q

Lymphatic nodules are abundant in the ___ and ___ of the pig’s stomach

A

Cardiac and diverticulum

33
Q

The non-glandular region of the pig’s stomach (3)

A

-whitish
-rectangle around cardia
-predisposed to gastric ulcers

34
Q

The pyloric region of the pig’s stomach includes the

A

Torus pyloricus

35
Q

Torus pyloricus (3)

A

-narrows the pyloric sphincter
-near the lesser curvature of pig’s stomach
-fatty protrusion

36
Q

There is a ___ area around the cardia of the pig’s stomach

A

Non-glandular

37
Q

Largest part of the small intestine is the

A

Jejunum

38
Q

Jejunum of pig (3)

A

-large number of small loops
-suspended in sublumbar region on the right side of abdominal wall
-when stomach is full, it will displace caudally

39
Q

The ___ muscles layers of pig intestine are thick

A

Outer longitudinal

40
Q

___ in the pig cause the intestines to bunch up, forming sacculations called ___

A

Taenia; haustra

41
Q

Taenia are

A

Distinct longitudinal bands along the pig intestine

42
Q

Pig caecum (4)

A

-large (~2L)
-left side of body pointing caudoventrally
-3 Taenia that divide the caecum into 3 haustra
-ventral to ileocaecal fold

43
Q

The connection between the ileum and caecum is called the

A

Ileocaecal fold

44
Q

The colon contains ___ Taenia

A

2

45
Q

The caecum contains ___ Taenia

A

3

46
Q

Pig colon (5)

A

-ascending colon forms a spiral loop
-tightly coiled centrifugal turns lack Taenia
-transverse colon is around the root of the mesenteries
-descending colon is close to the midline
-ampulla recti

47
Q

The caudate lobe of the pig liver

A

Lacks papillary processes

48
Q

Liver of the pig is comprised of (4)

A

-left and right lateral lobes
-left and right medial lobes
-quadrate lobe
-caudate lobe

49
Q

The liver of pigs is mainly to the

A

Right of the median

50
Q

The pig liver has great movement due to

A

Deep interlobule notches

51
Q

The liver of pigs has a lot of ____ which makes it difficult to impossible to do ___

A

Connective tissue; needle aspiration

VETS1003: Digestion (19 decks)

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