15- Equine Digestive System

Question 1

Answer 1

1) Fundus
2) Body
3) Pylorus
4) Cardia

Question 2

What is the capacity of a horse stomach?

Answer 2

5-15 liter

Question 3

Green ?

Answer 3

Margot plicatus

Question 4

What is the purpose of the Margot plicatus in horse stomachs?

Answer 4

Separates the glandular and nonglandular stomach

Question 5

The stomach connects the ______ and ______ cranially

Answer 5

Diaphragm and liver

Question 6

The stomach is attached to the spleen on the left by the __________ ___________.

Answer 6

Gastrosplenic ligament

Question 7

The greater omentum connects the greater curvature of the stomach and the initial part of the duodenum with what?

Answer 7

The terminal part of the large colon and the initial part of the small colon

Question 8

Answer 8

Lesser omentum

Question 9

What structures does the lesser omentum connects?

Answer 9

Lesser curvature of the stomach and the first part of the duodenum with the liver

Question 10

Structure?

Answer 10

Epiploic foramen

Question 11

What is the epiploic foramen?

Answer 11

Naturally occurring opening leading into the omental bursa

Question 12

Duodenum is found where?

Answer 12

Dorsal on the horses RIGHT side

Question 13

List the parts of the duodenum (including flexures)

Answer 13

Cranial duodenal flexure
Descending duodenum
Caudal duodenal flexure
Ascending duodenum
Duodenaljejunal flexure
Duodenocolic fold

Question 14

Where is the jejunum located?

Answer 14

Located from the left paralumbar fossa to the ventral abdominal floor

Question 15

The mesojejunum surrounds what?

Answer 15

Cranial mesenteric artery (aka root of the mesentery)

Question 16

What are Tania?

Answer 16

Bands
Longitudinal smooth muscle

Question 17

What are haustra?

Answer 17

Sacculations created by taenia
(What shaped poop)

Question 18

List the components of the large intestine in order

Answer 18

Right ventral colon
Sternal flexure
Left ventral colon
Pelvic flexure
Left dorsal colon
Diaphragmatic flexure
Right dorsal flexure

Question 19

Identify components of ventral midline topography

Answer 19

Question 20

Identify cross sections of the equine intestines

Answer 20

Question 21

Answer 21

1) Right dorsal colon
2) right ventral colon

Question 22

Answer 22

Question 23

Answer 23

Duodenum

Question 24

Green arrows and 9 and 10?

Answer 24

Cranial part of the duodenum, in horses it is s-shaped and called the sigmoid flexure
9) major duodenal papilla
10) minor duodenal papilla

Question 25

Answer 25

1) Ileum
2) ilocecal fold

Question 26

What is 1 2 and 3?

Answer 26

1) base of cecum
2) body of cecum
3) apex of cecum

Question 27

Identify the numbered structures

Answer 27

2) cecum
9) right ventral colon
8) right dorsal colon
7) liver

Question 28

List the number of taenia for the cecum, ventral colon, left dorsal colon, right dorsal colon, transverse colon, and descending colon.

Answer 28

4
4
1
3
2
2