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CVM: 720 Anatomy II > Lecture 29/30: Anatomy of the Ruminant Alimentary System > Flashcards

Lecture 29/30: Anatomy of the Ruminant Alimentary System Flashcards

(71 cards)

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1
Q

what are two good sites to get blood from a goat (caprine)

A

Jugular vein
Subcutaneous abdominal vein (milk vein)

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2
Q

a process where they regurgitate, re-chew, and reswallow partially digested feed (cud) to further break down plant matter and aid digestion

A

Ruminating

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3
Q

what are the parts of the multi-chambered stomach of a goat

A
  1. Rumenn (paunch)
  2. Reticulum(honeycomb)
  3. Omasumm (maniply)
  4. Abomasum (true stomach)
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4
Q

Use the terms orad and aborad

A

Food moves orad to aborad

orad= towards mouth/oral
aborad= away from mouth

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5
Q

Is the intestines of a goat longer than a horse

A

they are about 100 feet long (25x the length of the goat)

** Dr.Nader said to notice how much more longer the intestines are**

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6
Q

T/F ruminants have a spiral colon

A

true

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7
Q

Bovine multichambered stomach:

(smaller/larger) volumes

A

Larger

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8
Q

Identify A-D

A

A. Rumen
B. Reticulum
C. Omasum
D. Abomasum

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9
Q

Identify 6,7,8,11,13

A
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10
Q

identify 9,12,14,16,18,17,30

A
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11
Q

NEED TO KNOW ARTERIES

A

NEED TO FIND SOURCE

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12
Q

T/F the caudodorsal blind sac is not as big in goats vs. cows

A

true

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13
Q
A
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14
Q

Right or Left side

A

right

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15
Q

what compartment of the multi-chambered stomach has a:

Carpet like appearance

A

Rumen

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16
Q

what compartment of the multi-chambered stomach has a:

Honecomb

A

Reticulum

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17
Q

what compartment of the multi-chambered stomach has a:

Possess laminae omasi

A

Omasum

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18
Q

what compartment of the multi-chambered stomach has a:

Possess larger permanent folds (plica)

A

Abomasum

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19
Q

Rumen

Surfaces:
Curvatures:
Ends:

A

Surfaces - parietal, visceral

Curvatures - dorsal, ventral

Ends - cranial, caudal

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20
Q

List some grooves of the Rumen

A

Cranial transverse

Right and left longitudinal

Right accessory

Caudal transverse (2)

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21
Q

What are the sacs of the rumen

A

Dorsal larger sac

Ventral larger sac

Cado-dorsal blind sac

Caudo-ventral blind sa

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22
Q

List the Surfaces, Curvatures, and Ends of the Reticulum

A

Surfaces – parietal, visceral

Curvatures - lesser, greater

Ends - neck, fundus

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23
Q

List the Surfaces, Curvatures, and Ends of the Omasum

A

Surfaces - right and left

Curvatures - dorsal, ventral

Ends - base and neck

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24
Q

what are the parts of the abomasum

A

Cranial blind fundus
Longer body
Caudal pyloric part

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25
what are the surfaces and curvatures of the abomasum
Surfaces - parietal, visceral Curvatures – lesser, greater
26
27
How does the abomasum differ in a Kid Goat vs. Adult goat
Kid= Abomasum = 70 % / Rumen = 30 % Adult= Abomasum = 7 %/ Rumen = 80 %
28
Why is there a difference in size of abomasum in a kid goat compared to an adult
Abomasum is large in a kid because milk intake is higher compared to plant material Need large rumen in adult because they eat plant material and must break it down
29
Neonatal Bovine stomach compartments what % of each compartment make up the multi-chambered stomach
*rumen = 15 % *reticulum = 5 % *omasum = 10 % *abomasum = 60 %
30
31
what chambers are being pointed to
1. caudodorsal 2. caudoventral
32
Multiple ingesta components within the rumen compartment: what are the different layers
*liquid component *fibrous component *”cud” component REMEMBER: denser material sinks to the bottom!!! (gas--fiber mat-- liquid--grain)
33
what gas is "belched" out by a ruminant
methane
34
List the route of ingesta from oral cavity to intestines (said it will be an exam question)
know list from top to bottom
35
what is the purpose of ruminating
Cud is regurgitated and chewed again while the ruminant is lying down will do this process until the material is at a safe/proper texture
36
Where do we place a GI magnet for preventative care against "hardware disease"
the reticulum
37
T/F heavy products like milk sinks to the reticulum
true
38
this helps to keep the food in the rumen mixed with water and saliva When that is done the mixture can move on to the other parts of the system
Reticulum
39
Is hardware disease a large problem in goats/sheep like it is in cattle
No
40
What happens in hardware disease
when metal is swallowed, goes to the reticulum; punctures the reticulum or other structures
41
what part of the stomach is this describing: 3rd compartment of stomach: *analogy: “leaves of a book
Omasum
42
Omasum
43
Omasum
44
what is the major action that occurs in the omasum
Absorption; all of the folds get filled with digesta
45
The omasum is made up of lots of folds of tissue, almost like a leaf. This creates a large surface area to absorb __________
water
46
The omasum acts like a ___________ system and fine particles & small amounts of fluid into the abomasum.
filtration system
47
what is the major vein going to the liver?
Hepatic portal v. (be sure to distinguish from caudal vena cava which bypasses) **practical Q**
48
Digestive juices cause chemical changes to break down the proteins, carbohydrates, and fats into simpler substances. what compartment is this occurring in
Abomasum
49
In the abomasum, digestive juices cause chemical changes to break down the proteins, carbohydrates, and fats into simpler substances what does this allow to happen
simpler substances can now pass into the small intestine for further digestion and absorption into the blood stream
50
Abomasum also called the "true stomach" -Secretes ____________ -acts like a __________
A. Secretes digestive enzymes B. Acts like a non-ruminant stomach
51
Functions as digestive unit in calves until several months old when rumination begins
Abomasum
52
53
reticulum
54
T/F Abomasum (4th chamber) has similar anatomy to the monogastric stomach chamber of other mammals
true
55
What is the purpose of the rugi folds in the abomasum
expands to allow abomasum/stomach to fill with blood
56
what view is this from
caudal view
57
14. superficial wall 15. deep wall
58
what is a “RDA or LDA”
Right or Left Displaced abomasum
59
Are RDA/LDA a common GI syndrome in cattle
Yes!
60
Identify A-D
61
T/F the abomasum is very mobile
true
62
what is this showing
LDA
63
what is the "orad" to the transverse colon
ascending colon (spiral colon)
64
what provides increased surface area of the mucosal layer via millions of villi
Small intestinal tract
65
centripedal loops direction
spin IN TO spiral colon
66
centrifugal loop direction
spin OUT OF spiral colon
67
what is similar to the pelvic flexure in horse
the central flexure in a goat
68
69
identify the 2 main LN we need to know
superficial cervical Superficial inguinal (supramammary)
70
Mesenteric nodes; in mesentery highly vascular area so it needs to be drained of lymph fluid
71
What species of Bovidae is illustrated on this slide?
Chamois: Rupicapra rupicapra

CVM: 720 Anatomy II (44 decks)

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