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A&P 2 - Digestive System > The Large Intestine > Flashcards

The Large Intestine Flashcards

1
Q

blind diverticulum at beginning of colon

A

cecum

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2
Q

the cecum is inconspicuous in what kind of animals

A

carnivores

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3
Q

the cecum is a large blind tube in what kind of animals

A

ruminants

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4
Q

the cecum is huge in what kind of animals

A

horses

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5
Q

three parts of the cecum

A

base
main body
apex

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6
Q

_____ opens into cecum, colon or both (depending on species)

A

ileum

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7
Q

four parts to the large intestine

A

cecum
colon
rectum
anus

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8
Q
A

carnivore large intestine

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9
Q
A

pig large intestine

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10
Q
A

ruminant large intestine

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11
Q
A

horse large intesting

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12
Q
A

horse large intestine

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13
Q

muscles form bulging sac-like structures

A

sacculations

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14
Q

another name for sacculations

A

haustra

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15
Q

how are sacculations formed

A

areas contract then relax > next area

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16
Q

sacculations do what for the contents in the large intestine

A

prolong the time contents are there

17
Q

intestinal contents

A

ingesta

18
Q

what speed does ingesta travel

A

slowly

19
Q

ingesta must be thoroughly _______ to allow for _______ with _________ surface

A

mixed
contact
absorptive

20
Q

four different types of motility patterns

A

segmentation
peristalsis
antiperistalsis
mass movement

21
Q

slow waves in the Large Intestine are initiated by

A

pacemaker cells

22
Q

large intestine motility is under the influence of which nervous system

A

autonomic

23
Q

large intestine motility has alternating periods of ______ and _______

A

activity
rest

24
Q

depolarizing waves are sent toward _______ and _______ (periods of activity and rest)

A

stomach
rectum

25
Q

depolarizing waves sent toward stomach, creates __________ movements

A

antiperistaltic

26
Q

depolarizing waves sent toward rectum, creates __________ movements

A

peristaltic

27
Q

two functions of the large intestine

A

**absorption of water and ions
**completion of carbohydrate or protein microbial digestion and absorption

28
Q

horse’s fermentation center

A

Cecum (hindgut)

29
Q

“hindgut” is positioned _______ the stomach where __________digestion occurs

A

after
enzymatic

30
Q

when chyme passes through the large intestine, most of what is absorbed

A

water

31
Q

what is left behind after water has been absorbed from chyme

A

feces

32
Q

what is stimulated when feces are transported to rectum

A

sensory receptors

33
Q

sensory receptors initiate what reflex

A

defecation

34
Q

sensory receptors tell the colon and rectum to do what

A

contract

A&P 2 - Digestive System (20 decks)

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