Large Intestine (Exam 2)

Question 1

What is not good if you are auscultating the abdomen / gut sounds?

Answer 1

listen for growling
don’t want hyperactive or stopping of noisess

Question 2

What parts of the intestines are in the left abdomen of horse?

Answer 2

descending colon + jejunum

Question 3

Jejunum is between what 2 structures in the horse?

Answer 3

descending + ascending colon

Question 4

What is the main large intestinal structure on the right side of the horse? What space does it fill?

Answer 4

cecum
paralumbar fossa

Question 5

3 LI structures on the right side of the horse

Answer 5

cecum
right ventral colon
right dorsal colon

Question 6

Liver is predominantly on the (left/right) in horses.

Answer 6

right

Question 7

Like the rumen, the equine cecum is a major ______ site.

Answer 7

fermentation

Question 8

Base of equine cecum location

Answer 8

dorsal right paralumbar fossa

Question 9

Apex of equine cecum location

Answer 9

ventral abdomen on midline & sternal flexure

Question 10

The equine cecum has _ (number) ______ which are smooth muscle bands.

Answer 10

4 teniae

Question 11

Term for sacculations in the equine cecum formed by contractions of teniae

Answer 11

haustra

Question 12

Which fold of cecum associated with dorsal band (tenia)

Answer 12

ileocecal fold

Question 13

Which fold of cecum is associated with lateral band?

Answer 13

cecocolic fold

Question 14

Vessels and lymph nodes are in the ____ and ____ bands (teniae)

Answer 14

medial + lateral

Question 15

LI structures in left side of horse

Answer 15

ascending colon:
left ventral colon
left dorsal colon
pelvic flexure

Question 16

What is the term for the transition from ventral –> dorsal in ascending colon? (equine)

Answer 16

pelvic flexure

Question 17

Which part of the ascending colon is on the floor of the abdomen (equine)?

Answer 17

left ventral colon

Question 18

Where do you listen for presence of sand? (equine)

Answer 18

sternal flexure

Question 19

Where do you do a peritoneal tap in the horse?

Answer 19

cranial to sternal flexure

Question 20

Term for bend between right & left side of the colon (equine)

Answer 20

sternal flexure

Question 21

Order of equine LI segments (10)

Answer 21

1. cecum
2. R ventral colon
3. Sternal flexure
4. L ventral colon
5. Pelvic flexure
6. L dorsal colon
7. Diaphragmatic flexure
8. R dorsal colon
9. Transverse colon
10. Descending colon

Question 22

How many band (teniae) in each region:

cecum
left dorsal colon
right dorsal colon
transverse colon
descending colon

Answer 22

4
3
1-2
2

Question 23

Blood supply to ventral colons (L+R) (equine)

Answer 23

colic branch of ileocolic A

Question 24

Blood supply to dorsal colons (L+R) (equine)

Answer 24

right colic A

Question 25

Blood supply to transverse colon

Answer 25

middle colic A

Question 26

Blood supply to descending colon

Answer 26

left colic A

Question 27

Definition of colic (equine)

Answer 27

abdominal pain

Question 28

3 signs of colic

Answer 28

1. looking/kicking abdomen 2. wants to roll 3. gets up/down frequently

Question 29

Impaction site for tapeworms

Answer 29

ileocolic

Question 30

Impaction site during winter with decreased water consumption

Answer 30

pelvic flexure

Question 31

Impaction site of enteroliths (stones)

Answer 31

right dorsal colon --> transverse colon

Question 32

What 3 things is the paralumbar fossa used as an incision site for?

Answer 32

1. left displaced abomasum 2. trocar in rumen (bloat) 3. C section

Question 33

What makes up left side of cow?

Answer 33

all rumen

Question 34

What makes up right side of cow?

Answer 34

abomasum, SI, proximal + distal loop of ascending colon, descending colon

Question 35

Order of large colon (ruminants)

Answer 35

1. cecum 2. proximal loop 3. centripetal gyri 4. central flexure 5. centrifugal gyri 6. distal loop 7. transverse colon 8. descending colon

Question 36

Centripetal vs. Centrifugal

Answer 36

centripetal: clockwise (towards center) centrifugal: counter-clockwise (away from center)

Question 37

Blood supply to centripetal gyri (ruminant)

Answer 37

Colic branches of Ileocolic A

Question 38

Blood supply to centrifugal gyri (ruminant)

Answer 38

Right colic Aa (of ileocolic A)

Question 39

2 species w/ spiral colon

Answer 39

ruminants + pig

Question 40

Camelids are known as ______.

Answer 40

pseudoruminants (3 compartments)

Question 41

Which 2 compartments of camelids are for fermentation? Which is entirely glandular?

Answer 41

C1 + C2 C3