Lecture 6 2/7/24

Question 1

What is the band and sacculation conformation for the cecum?

Answer 1

-4 bands
-present sacculations

Question 2

What is the band and sacculation conformation for the right ventral colon?

Answer 2

-4 bands
-present sacculations

Question 3

What is the band and sacculation conformation for the left ventral colon?

Answer 3

-4 bands
-present sacculations

Question 4

What is the band and sacculation conformation for the pelvic flexure?

Answer 4

-1 band
-no sacculations

Question 5

What is the band and sacculation conformation for the left dorsal colon?

Answer 5

-1 band to start, eventually 3
-no sacculations

Question 6

What is the band and sacculation conformation for the right dorsal colon?

Answer 6

-3 bands
-no sacculations

Question 7

What is the band and sacculation conformation for the descending colon?

Answer 7

-2 bands
-present sacculations

Question 8

Which structures are found in the left craniodorsal division of the abdomen?

Answer 8

-stomach
-spleen

Question 9

Which structures are found in the left caudodorsal division of the abdomen?

Answer 9

-jejunum
-descending colon
-left kidney

Question 10

Which structures are found in the left cranioventral and caudoventral divisions of the abdomen?

Answer 10

left dorsal and ventral colon

Question 11

Which structures are found in the right craniodorsal division of the abdomen?

Answer 11

-liver
-descending duodenum

Question 12

Which structures are found in the right caudodorsal division of the abdomen?

Answer 12

-base of cecum
-descending duodenum
-right kidney

Question 13

Which structures are found in the right cranioventral and caudoventral divisions of the abdomen?

Answer 13

right dorsal and ventral colon

Question 14

What is colic?

Answer 14

abdominal discomfort; seen in equine

Question 15

What are the common etiologies of colic?

Answer 15

-displacement of colon
-impaction

Question 16

Where does displacement of the colon most commonly occur?

Answer 16

pelvic flexure

Question 17

Where are impactions most likely to occur?

Answer 17

-ileum to cecum
-pelvic flexure
-transverse colon

Question 18

Why is the pelvic flexure a common site of impaction?

Answer 18

-very dramatic decrease in size at a turn
-most mobile part of colon; can do 180 or 360 degree twists

Question 19

How can a pelvic flexure 180 degree twist be identified?

Answer 19

feeling sacculations on the dorsal aspect during palpation

Question 20

What are the characteristics of the equine liver?

Answer 20

-bulk is located slightly to the right of the median plane
-contacts the right kidney

Question 21

What are the five lobes of the equine liver?

Answer 21

-left lateral lobe
-left medial lobe
-quadrate lobe
-right lobe
-caudate lobe/process

Question 22

What is unique about the bile situation in equine?

Answer 22

-no gall bladder
-bile has no storage, just constant flow

Question 23

What are the characteristics of the equine spleen?

Answer 23

-wide dorsal end located lateral to left kidney
-sits against left abdominal wall
-located as far caudal as L1
-ventral tail reaches ventral 1/3 of ribs 10-11