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ZOOT 1100 > Digestive System > Flashcards

Digestive System Flashcards

1
Q

Bringing of swallowed food up again to the mouth

A

Regurgitation

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2
Q

Physical and chemical breakdown of feeds as they pass through the gastrointestinal tract

A

Digestion

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3
Q

Physical reduction of particle size (chewing)

A

Mastication

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4
Q

Act of swallowing

A

Deglutition

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5
Q

Accessory organs of digestive system (4)

A

Liver
Gallbladder
Pancreas
Salivary glands

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6
Q

Major structures of digestive system

A

Oral cavity
Pharynx
Larynx
Esophagus
Stomach
Small intestines
Large intestines

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7
Q

Used primarily for grinding food and mixing it with saliva

A

Oral cavity

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8
Q

3 parts of teeth

A

Crown
Neck
Root

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9
Q

Part of teeth that is embedded in the tooth socket

A

Root

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10
Q

Part of teeth found at the gum line

A

Neck

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11
Q

Part of teeth that protrudes above the gum line

A

Crown

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12
Q

3 types of teeth growth

A

True teeth
Constantly growing teeth
Constantly erupting teeth

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13
Q

Examples of constantly growing teeth

A

Tushes of pig & incisor teeth of rodents

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14
Q

Teeth that do not possess a definite neck or root; grow from persistent active pulp

A

Constantly growing teeth

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15
Q

Teeth that possesses extremely long root and no definite neck; filling in of bone pushes the teeth out of the socket to compensate for the wear; cheek teeth

A

Constantly erupting teeth

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16
Q

All teeth are similar

A

Homodont dentition

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17
Q

All teeth have gone differentiation - incisors, canine, molars, premolars

A

Heterodont dentition

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18
Q

When several primitive cones come together to form one tooth

A

Bunodont dentition

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19
Q

Example of bunodont dentition

A

Cheek teeth of a pig

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20
Q

Animal with homodont dentition

A

Dolphin

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21
Q

When the cones of teeth become ridges

A

Lophodont dentition

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22
Q

High-crowned teeth extending past the gum line, providing extra wear and tear

A

Hypsodont teeth

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23
Q

When the ridges of teeth becomes sharp

A

Selenodont dentition

24
Q

Foliate papillae are present in horse, pig, and dog, but not in:

A

Ruminants

25
Q

Most numerous of the lingual papillae

A

Filiform papillae

26
Q

One of the sparsely scattered elevations on the tongue, often considered to be modified filiform papillae

A

Conical papilla

27
Q

Common passage for food and air

A

Pharynx

28
Q

Muscular tube extending from the pharynx to the stomach

A

Esophagus

29
Q

3 divisions of esophagus

A

Cervical
Thoracic
Abdominal

30
Q

Muscular ring, separates the stomach from the esophagus

A

Cardiac sphincter

31
Q

Strong annular muscle, at the junction of the stomach and duodenum

A

Pyloric sphincter

32
Q

Allow the stomach volume to expand to accommodate meals

A

Gastric folds

33
Q

Depression created by deep infoldings of the columnar epithelium of the tunica mucosa

A

Gastric pits

34
Q

Covers the outer surface of the stomach

A

Serosa

35
Q

Layer of the stomach that contains vessels and nerves

A

Submucosa

36
Q

The smaller glandular portion of the stomach in the ruminant

A

Abomasum

37
Q

Honey comb; smallest section of stomach (ruminants); acts as a liquid reservoir to soften heavy matter in food

A

Reticulum

38
Q

Largest part of the adult stomach (ruminant); fermentation; a site of bacterial digestion and an organ of absorption

A

Rumen

39
Q

Grinds food more finely and absorb excess moisture (ruminant)

A

Omasum

40
Q

Grinds food more finely and absorb excess moisture (ruminant)

A

Omasum

41
Q

True stomach (ruminant); secretes gastric enzymes and hydrochloric acid

A

Abomasum

42
Q

Tube connecting the stomach to the cecum and large intestine

A

Small intestine

43
Q

Forms the mesentric part of the intestine

A

Jejunum

44
Q

Reabsorbs the water and electrolytes

A

Villi

45
Q

[ Crypt of lieberkuhn] secretes mucus for lubrication and protection

A

Goblet cells

46
Q

[ Crypt of lieberkuhn] secrete water and electrolytes

A

Enterocytes

47
Q

[ Crypt of lieberkuhn] secrete antimicrobial peptides

A

Paneth cells

48
Q

Cul de sac, blind sal situated between the ileum and great colon

A

Cecum

49
Q

Terminal part of the intestine and is found in the pelvic cavity

A

Rectum

50
Q

Terminal part of the alimentary tract; continuous with the skin

A

Anus

51
Q

Retracts the partial prolapse that the anus undergoes during defecation

A

Retractor ani

52
Q

Tethers the liver to the ventral midline

A

Falciform ligament

53
Q

Connecting the liver and proximal duodenum

A

Hepatoduodenal ligament

54
Q

Parts of the peritoneum connecting the stomach with other structures

A

Omentum

55
Q

Provides digestive enzymes, provides lubricative and cleansing functions

A

Salivary glands

56
Q

Largest gland in the body

A

Liver

ZOOT 1100 (16 decks)

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