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DIGESTIVE SYSTEM Flashcards

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1
Q

What is the another name for Digestive system?

A

Alimentary system

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2
Q

What are the 3 functions of Digestive/Alimentary System

A
  1. reception and digestion of food
  2. absorption of nutrients
  3. expulsion/elimination of
    unabsorbed portions or wastes.
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3
Q

Different animals exhibit various feeding
behaviors, which is clearly reflected in?

A

in the modifications of their digestive tracts

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4
Q

Describe the upper lip of dog

A

pendulous and presses on the lower one

pendulous: hanging down loosely

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5
Q

What animal whose upper lip is pendulus and presses on the lower one?

A

Dog

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6
Q

The general looseness of the dog’s lips creates what?

A

large vestibule

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7
Q

An advantage in administering liquid medicines in dogs?

A

large vestibule created by the general looseness of the dog’s lips

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8
Q

The upper lip of dog has what?

A

philtrum

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9
Q

What animal has philtrum in its upper lip?

A

dog

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10
Q

Describe the cat lips

A

less mobile and reduced

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11
Q

What animal whose lips are less mobile and reduced?

A

cat

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12
Q

Describe the cattle lips

A

less mobile

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13
Q

Where does the cattle upper lip blends with?

A

with nose to form nasolabial plate (muzzle) which is moist and glandular

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14
Q

What structure is formed when the cattle upper lip blends with nose? Describe it

A

nasolabial plate (muzzle), moist and glandular

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15
Q

What animal whose upper lip blends with nose to form nasolabial plate (muzzle)?

A

cattle

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16
Q

What are the animals that have less mobile lips

A

Cat
Cattle
Pig

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17
Q

Describe the lips of sheep

A

soft and flexible

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18
Q

What animal whose lips are soft and flexible?

A

sheep

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19
Q

What is the function of the lips of sheep?

A

aid in picking up of food

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20
Q

Describe the upper lip of sheep

A

deeply grooved with a midline philtrum

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21
Q

What animal whose upper lip is deeply grooved with a midline philtrum?

A

sheep

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22
Q

Describe the upper lip of horse

A

mobile upper lip

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23
Q

What animal has mobile upper lip?

A

horse

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24
Q

What is the function of the upper lip of horse?

A

used for collecting food and introducing it to the mouth

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25
What animal whose lips are sensitive?
horse
26
Describe the lips of pigs
less mobile
27
The upper lip of pig blends with what?
with the nose to form rostrum (snout), which contains the bone, Os rostrale
28
What structure is formed when the upper lip of pig blends with the nose? and it contains what?
rostrum (snout), which contains the bone, Os rostrale
29
What animal whose upper lip blends with the nose to form the rostrum (snout)?
pig
30
True or False The lower lip of pig is larger than the upper lip
False The lower lip of pig is SMALLER than the upper lip
31
What animal whose lower lip is smaller than the upper lip?
pig
32
Describe the lip of bird
bird lip is ABSENT, instead has beak
33
What are the functions of the beak of birds?
for prehension for aerodynamics serves as a sense organ (bill tip organ) via sensory corpuscles (touch papillae) embedded in the keratinized tissue of the beak and associated lamellae
34
It is the modification of the jaw of birds
Beak
35
What animal whose lip is absent and has beak instead?
Bird
36
This serves as a sense organ (bill tip organ) via sensory corpuscles (touch papillae) embedded in the keratinized tissue of the beak and associated lamellae
Beak
37
What do you call the sense organ of bird?
Bill tip organ
38
What do you call the sensory corpuscles of bird?
Touch papillae
39
The beak of birds serves as a sense organ (bill tip organ) via what? and where are they embedded?
sensory corpuscles (touch papillae) embedded in the keratinized tissue of the beak and associated lamellae
40
Animal that has pointed beak?
Gallinaceous birds
41
Animal that has a flattened, spoon-shaped beak that is more flexible and adapted for straining through water for foodstuffs
Anseriformes
42
True or False Gallinaceous birds have a flattened, spoon-shaped beak
False Gallinaceous birds have POINTED beaks
43
True or False Anseriformes have pointed beaks?
False
44
The hard palate of the dog is widest at the?
at the 4th cheek tooth
45
What animal whose hard palate is widest at the 4th cheek tooth?
Dog
46
The median raphé of dog's hard palate is usually replaced by a?
Ridge
47
What does the ridge replace in a dog's hard palate?
Median raphé
48
What does the cranial portion of ruminant's hard palate forms?
the prominent **dental pad**
49
What animal has dental pad?
Ruminants They don't have upper incisors. Instead, they have dental pad
50
Dental pad of ruminants is formed by what?
cranial portion of hard palate
51
Describe the rugae of the ruminant's hard palate
The rugae extend only 2/3 of the length of the palate, and all except the last few are serrated on their free borders The last few which are near to the soft palate are not serrated
52
Which animal has rugae on the hard palate that extend only two-thirds of its length, with all except the last few being serrated on their free borders?
Ruminants
53
Describe the rugae of the sheep's hard palate
Rugae are not serrated
54
In the hard palate of a sheep, what structure forms a prominent V on either side of the central incisive papilla?
Naso-palatine ducts
55
What shape is formed by the openings of the naso-palatine ducts on either side of the central incisive papilla in the hard palate of a sheep?
Prominent V
56
Which animal has a hard palate where the openings of the naso-palatine ducts form a prominent V on either side of the central incisive papilla?
Sheep
57
Where is the prominent V formed by the openings of the naso-palatine ducts locate
On either side of the incisive papilla
58
Describe the hard palate of the horse
It is divided into 2 equal portions by the **median raphe**
59
Which animal has a hard palate divided into two equal portions by the median raphe, with palatine rugae extending the entire length of the palate?
Horse
60
How far do the palatine rugae extend on the hard palate of a horse?
Extend the **whole length of the palate**
61
What structure divides the hard palate of the horse into two equal portions?
Median raphe
62
What feature extends the whole length of the hard palate in a horse?
Palatine rugae
63
Which animal has a hard palate that is long and narrow with equal width throughout, featuring well-marked rugae and median raphe, and a prominent incisive papilla ventrally?
Pig
64
Describe the hard palate of the pig
Long and narrow hard palate with equal width throught
65
What features are well-marked on the hard palate of a pig?
both **rugae** and **median raphe**
66
What structure is prominent ventrally on the hard palate of a pig?
Incisive papilla
67
Where is the incisive papilla prominent on the hard palate of a pig?
Ventrally
68
What does the hard palate of a chicken lack?
Soft palate
69
Describe the tongue of the dog
wide, thin, and mobile
70
What part of the dog's tongue is marked by the median groove?
Dorsum
71
What marks the dorsum of the tongue in a dog?
Median groove
72
What can be found on the root of a dog's tongue?
long, backward pointing papillae
73
What part of the dog's tongue contains long, backward-pointing papillae?
root
74
Where is the cord of fibrous tissue, known as the **lyssa**, located on a dog's tongue?
caudal part of the tip
75
Define lyssa
**cord of fibrous tissue** located on the caudal part of the tip
76
What is the name of the fibrous tissue cord found in the caudal part of the tip of a dog's tongue?
lyssa
77
Which animal has a tongue with a prominent bulge in the dosal half called the torus lingua, marked off by the transverse lingual fossa, with distinct conical papillae on the torus lingua?
cattle
78
Where is the prominent bulge, known as the torus lingua, located on a cattle's tongue?
dorsal half of the dorsum
79
What structure on the dorsal half of the dorsum of a cattle's tongue is referred to as the torus lingua?
prominent bulge
80
What is the name of the prominent bulge found on the posterior half of the dorsum of a cattle's tongue?
torus linguae
81
What structure marks off the torus lingua on the posterior half of the dorsum of a cattle's tongue?
transverse depression, **transverse lingual fossa**
82
What is the name of the transverse depression that marks off the torus lingua on a cattle's tongue?
transverse lingual fossa
83
What type of distinct papillae are found on the torus lingua of a cattle's tongue?
conical papillae
84

COMPARATIVE ANATOMY (1 decks)

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