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Evolutionary Biology and Comparative Anatomy > Digestive System Rabbit > Flashcards

Digestive System Rabbit Flashcards

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1
Q

as an herbivore, is uniquely designed to consume large amount of plant material

A

rabbit

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2
Q

Their digestive system is designed to make the most efficient use of nutrients found in their diet, so the food moves through the track relatively quick

A

rabbit

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3
Q

high in fiber, which is indigestible to mammalian digestive enzymes

A

plant

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4
Q

Functions of the digestive system (5)

A

➢Receive ingested food
➢Temporary food storage
➢Mechanical and chemical food breakdown
➢Absorption of nutrients and water
➢Elimination of undigested food and excretory waste and by-products

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5
Q

include the mouth, pharynx (throat), esophagus, stomach, small intestine, large intestine, rectum, and anus

what tract

A

digestive tract

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6
Q

include the tongue, teeth, oral glands, pancreas, liver and gallbladder

A

accessory digestive structures

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7
Q

process of breaking food components into small enough units that they can be absorbed across the digestive tract wall

A

digestion

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8
Q

divides the liver into right and left lobes

A

falciform ligament

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9
Q

how many lobes of liver in rabbit

A

four lobes

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10
Q

produces amino acids, filters the blood, converts harmful substances into harmless ones, and helps to regulate blood sugar

A

liver

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11
Q

Produces bile, which emulsifies fat during digestion

A

liver

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12
Q

– stores bile

A

gallbladder

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13
Q

bolus travels down this, located in the thoracic cavity and is best examined during observation of circulatory system

A

esophagus

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14
Q

Stomach – consist of four portion

A

Cardia
Fundus
Body
Pylorus

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15
Q

Digestive System Diagram Label

A

+1

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16
Q

portion of the stomach where the stomach joins the esophagus

A

cardia

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17
Q

separates the esophagus from the stomach

A

cardiac sphincter

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18
Q

Malfunction of this is a cause of acid reflux in humans

A

cardiac sphincter

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19
Q

part of the stomach that lies to the left side of the esophagus

A

fundus

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20
Q

main portion of the stomach

A

body

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21
Q

lies to the right of the esophagus and terminates in the pyloric sphincter

A

pyloric

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22
Q

separates the stomach from the duodenum

A

pyloric sphincter

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23
Q

label rabbit two pics

A

+1

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24
Q

mixture that is formed in the stomach when the bolus is mixed with digestive secretions

A

chyme

25
Q

folds of the stomach

A

rugae

26
Q

located on the greater curvature of the stomach, the larger convex curve, small dark reddish-brown organ

A

spleen

27
Q

function of spleen

A

Since birth, red blood cells and lymphocytes are present, also in the postnatal period, the spleen is an organ of lymphopoiesis and protects the body against cells and genetically foreign substances, and also participates in humoral immune responses

28
Q

Part of the lymphatic system and designed to filter blood

A

spleen

29
Q

first part of the small intestine, where the common bile duct from the liver and gallbladder and the pancreatic duct from the pancreas meet the small intestine to release additional enzymes to continue the process of digestion

A

duodenum

30
Q

sections of the intestine, which are difficult to distinguish

A

jejunum and ileum

31
Q

caudal end of the ileum that is modified into a round muscular enlargement

A

sacculus rotundus

32
Q

Structure found only in rabbits, large amount of lymphoid tissue and is involved in the immune system

A

sacculus rotundus

33
Q

lines the small intestine with thousands of circular folds

A

plicae circulares

34
Q

small projections in the small intestine

A

villi

35
Q

projection in each villus

A

microvillus

36
Q

small intestine ends here (valve)

A

ilieocecal valve

37
Q

pinkish-brown, somewhat granular mass, open to the small intestine through the pancreatic duct at the caudal end of the duodenum

A

pancreas

38
Q

function of pancreas

A

Buffers are secreted from the pancreas into the small intestine to increase the pH to a more neutral level,

39
Q

connection between the cecum and the colon

A

ampulla cecalis coli

40
Q

first section of the colon where special contractions separate the more digestive from the less digestible materials and force the nutritious components back to the cecum

A

proximal coli

41
Q

rougher materials go to here once it passes through the proximal colon

A

distal colon

42
Q

large, coiled blind sac that extends from the sacculus rotundus, makes up a larger proportion of digestive tract in rabbits than in any other group of animals

A

cecum

43
Q

material from the cecum is released into this, where it is coated in mucus and excreted through the anus

A

colon

44
Q

soft balls in the anus, also known as night feces or soft feces

A

cecotropes

45
Q

cattle and other ruminants are what kind of fermenters

A

foregut fermenters

46
Q

type of fermentation in rabbit

A

hindgut fermentation

47
Q

Rabbit colon can be divided into (3)

A

ascending
transverse
descending

48
Q

marks the division between the proximal and distal colon

A

fusus coli

49
Q

Helps regulate the complex events that move materials either forward or backward and that determine whether cecotropes or dry feces are produced

A

fusus coli

50
Q

pouches located in the beginning section of the proximal colon

A

haustra

51
Q

longitudinal bands in the proximal colon

A

taenia

52
Q

part of the colon that is long, twisted tube that terminates with the rectum

A

distal colon

53
Q

both cecotropes and dry feces exit this

A

anus

54
Q

label rabbit pictures

A

+1

55
Q

function of incisor

A

cut food

56
Q

how many rabbit incisors

A

six incisors

57
Q

s a relatively large structure that lies dorsal to the soft palate, thereby allowing air directly from the nasopharynx to the laryn

A

rabbit

58
Q

view labelled pics

A

+1 every turn

Evolutionary Biology and Comparative Anatomy (21 decks)

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