comparative GI tract anatomy: equine + porcine

Question 1

areas where torison can occur and result in colic

Answer 1

cecolic fold
nephrosplenic ligament
phrenicosplenic ligament

Question 2

The stomach of the horse is divided into 2 forms of mucosa

Answer 2

glandular and non-glandular portions

Question 3

What is the margus plicatus?

Answer 3

The line that divides the stomach in non-glandular and glandular portions

Question 4

parts of the horse stomach

Answer 4

saccus caecus
cardia with sphincter
fundus
pylorus with sphincter

Question 5

Instead of having a margo plicatus, pigs have a

Answer 5

gastric diverticulum

Question 6

In pigs, the area that extends from the cardia into the diverticulum is the

Answer 6

non-glandular portion of the stomach

Question 7

t/f in pigs, the non-glandular area is particularly susceptible to ulceration with certain management/disease conditions.

Answer 7

true

Question 8

present in pigs and ruminants
An enlarged area of the pyloric region of the stomach that narrows the pyloric orifice

Answer 8

torus pyloricus

Question 9

name the parts of the small intestine

Answer 9

duodenum
jejunum
ileum

Question 10

name all the parts of the duodenum

Answer 10

1. cranial duodenum
2. cranial flexure
3. descending duodenum
4. caudal flexure
5. ascending colon (with its duodenocolic fold)
6. duodenojejunal flexure

Question 11

The ileocecal fold attaches the

Answer 11

cecum to ileum

Question 12

Ileal papilla with ileocecal orifice are found at the

Answer 12

beginning of ascending colon

Question 13

At the beginning of the duodenum, there are two protuberances before the creanial flexure

Answer 13

duodenal ampulla
sigmoid flexure

Question 14

t/f Imbalances in the contractions of the cecum and the jejunum are one of the causes of colic

Answer 14

true

Question 15

name the parts of the large intestine

Answer 15

cecum
A,D,T colon
rectum

Question 16

Ingesta courses from the ileum to the cecum through the ileocecal orifice and then travels within the cecum before passing through the

Answer 16

cecocolic orifice to the ascending colon

Question 17

The large intestine is divided in 2 sections

Answer 17

large and small colon

Question 18

The small colon is composed of

Answer 18

T and D colon

Question 19

The large colon is composed of

Answer 19

cecum and ascending colon

Question 20

The cecum is divided in 3 parts

Answer 20

base, body, and apex

Question 21

local thickenings of the longitudinal stratum of the tunica muscularis

Answer 21

bands or teniae

Question 22

how many bands does the cecum have

Answer 22

4

Question 23

name the order of route of bolus of food in large intestine WITH ALL IT’S PARTS

Answer 23

cecum
RVC
sternal flexure
LVC
pelvic flexure
LDC
diaphragmatic flexure
RDC
T colon
D colon

Question 24

3 flexures assoc. with the large colon

Answer 24

Sternal
Pelvic
diaphragmatic

Question 25

the large colon composed of cecum and ascending colon has

Answer 25

sacculations or haustra

Question 26

the RVC has how mmany bands

Answer 26

4

Question 27

the LVC has how many bands

Answer 27

4

Question 28

LDC has how many bands

Answer 28

1

Question 29

RDC has how many bands

Answer 29

3

Question 30

the T colon has how many bands

Answer 30

2

Question 31

the D has how many bands

Answer 31

2

Question 32

the ascending colon in pigs has a

Answer 32

spiral part

Question 33

how many centripetal loops does the ascending colon has? are they sacculated?

Answer 33

3 1/2 sacculated

Question 34

describe the centrifugal spirals

Answer 34

on the inside of the centripetal

Question 35

in dogs, the colic branch of the ileocolic a. supplies the

Answer 35

A colon

Question 36

in horses, the Colic br. of the ileocolic a. supplies the

Answer 36

RVC and LVC v

Question 37

in pigs, the Colic br. of the ileocolic a. supplies the

Answer 37

proximal and centripetal loop

Question 38

in dogs, the right colic a. supplies the

Answer 38

aboral part of A. colon

Question 39

in horses, the right colic a. supplies the

Answer 39

LDC and RDC

Question 40

in pigs, the right colic a. supplies the

Answer 40

centrifugal and distal loop

Question 41

in dogs, horses and ruminants the middle colic a. supplies the

Answer 41

T colon

Question 42

in dogs, horses and ruminants the left colic a. supplies the

Answer 42

D colon