Ruminant Vasculature and Abdominal Nervous System

Question 1

Main Branches off the Abdominal Aorta

Answer 1

• Celiac a.
• Cranial mesenteric a.
• Caudal mesenteric a.

Question 2

Main Branches off the Celiac a.

Answer 2

• Hepatic a.
• Splenic a.
• L. gastric a.

** Main blood supply to the different compartaments of the stomach**

Question 3

Hepatic a. (branches)

Answer 3

• Hepatic branches towards liver
• Right gastric a.
  
  • Gastroduodenal a.
    
    • R. gastric a.
    • Cranial pancreaticoduodenal a.
• Supplies the liver

Question 4

Parent Vessel of R. Gastric a.

Answer 4

• Hepatic a.

Question 5

R. Gastric a.

Answer 5

• Supplies the lesser curvature of the abomasum
• Gives off the Gastroduodenal a.

Question 6

Cranial pancreaticoduodenal a.

Answer 6

Supplies:

• Pancreas
• Cranial duodenal flexure
• Proximal part of the duodenum

Question 7

Parent Vessel of Gastroduodenal a.

Answer 7

• R. Gastric a.

Question 8

Gastroduodenal a.

Answer 8

Gives off:

• R. gastroepiploic a.
• Cranial pancreaticoduodenal a.

Supplies:

• Greater curvature of the abomasum
• Anastomoses with L. gastroepiploic a.

Question 9

Blood Supply to the Greater Curvature of the Abomasum

Answer 9

• R. gastroepiploic
• L. gastroepiploic

Question 10

Blood Supply to Liver

Answer 10

• Hepatic a.

Question 11

Blood Supply to Spleen

Answer 11

• Splenic a.

Question 12

Blood Supply to the Pancreas

Answer 12

• Cranial pancreaticoduodenal a.
  
  • Parent = Gastroduodenal a.
• Caudal pancreaticoduodenal a.
  
  • Parent = Cranial mesenteric a.

Question 13

Blood Supply to the Cranial Duodenal Flexure

Answer 13

• Cranial pancreaticoduodenal a.

Question 14

Blood Supply to the Proximal Duodenum

Answer 14

• Cranial pancreaticoduodenal a.

Question 15

Splenic a.

Answer 15

Supplies the Spleen

2 Branches:

• R. Ruminal a.
  
  • Coronary arteries
    
    • Supply the L & R Dorsal and Ventral coronary grooves of the Rumen
• L. Ruminal a.
  
  • Reticular a.

Question 16

Parent Vessel of the L. Ruminal a.

Answer 16

• L. Gastric a.

OR

• Splenic a.

** Depends on the COW**

Question 17

R. Ruminal a.

Answer 17

• Supplies the right longitudinal groove of the rumen
• Parent vessel to the coronary arteries

Question 18

Coronary arteries

Answer 18

• Branch off of the R. Ruminal a.

Supply:

• L. Dorsal Coronary Groove
• L. Ventral Coronary Groove
• R. Dorsal Coronary Groove
• R. Ventral Coronary Groove

** Grooves of the Rumen**

Question 19

Blood Supply to the R. Longitudinal Groove of the Rumen

Answer 19

Right Ruminal a.

Question 20

L. Ruminal a.

Answer 20

• Supplies the left longitudinal groove of the rumen
• Parent vessel to Reticular a.

Question 21

Reticular a.

Answer 21

Supplies the Ruminoreticular Groove

Parent Vessel = L. Ruminal a.

Grandparent Vessel = Splenic a.

Question 22

L. Gastric a.

Answer 22

• Parent Vessel = Celiac a.
• Supplies the visceral surface of the omasum
  
  • Part of the omasum closest to the rumen
• Supplies the lesser curvature of the abomasum
• Anastamoses with R. Gastric a.
• Branches of L. Gastric a. :
  
  • L. Gastroepiploic a.
  • L. Ruminal a. (possibly)

Question 23

Branches off of L. Gastric a.

Answer 23

L. Gastroepiploic

L. Ruminal a. (possibly)

Question 24

Blood Supply to the Greater Omentum

Answer 24

L. Gastroepiploic a.

Question 25

**Left Lateral Projection of Certain Organs on** **Bovine Thoracic Wall:**

Answer 25

1. Pulmonary Valve 2. Aortic Valve 3. Left AV Valve 4. Basal border of the Lung 5. Reticulum (open) 6. Spleen

Question 26

The Root of the Mesentery lies \_\_\_\_\_\_\_

Answer 26

On Midline (L2 Dog and Cow) and L1 Horse

Question 27

**Cranial Mesenteric a.**

Answer 27

* 1 of 3 major vessels off of the abdominal aorta * **Near the root of the mesentery** * Parent to 5 Vessels: * Caudal pancreaticoduodenal a. * Ileocolic a. * R. colic a. * Colic branches * Mesenteric ileal a. * Cecal a. * Middle colic a. * Jejunal a. * ileal a.

Question 28

**Caudal pancreaticoduodenal a.**

Answer 28

* Parent = Cranial mesenteric a. * Suppplies: * Pancreas * Distal Duodenum * Caudal duodenal flexure

Question 29

**Ileocolic a.**

Answer 29

Parent Vessel: Cranial Mesenteric a. Supplies: * Spiral loop of the Ascending colon * Colic Lymph nodes Branches: * R. Colic a. * Colic Branches * Mesenteric ileal a. * Cecal a.

Question 30

**R. Colic a.**

Answer 30

Supplies: * Centrifugal coils of the spiral loop (Ascending Colon) * Distal Loop of Ascending Colon Parent Vessel = Ileocolic a.

Question 31

**Colic Branches**

Answer 31

Supplies: * Centripetal loops of the spiral loop (Ascending Colon) * Proximal Loop of Ascending Colon Parent Vessel = Ileocolic a.

Question 32

**What is the main blood supply to the Ascending Colon?**

Answer 32

* Colic Branches * Proximal Ascending Colon * Centripetal Loops of the Spiral Colon * R. Colic a. * Centrifugal Coils of the Spiral Colon * Distal Loop of the Colon

Question 33

**Mesenteric Ileal a.**

Answer 33

Supplies: * Cecocolic fold * ileum * Associated Mesentery Parent Vessel = Ileocolic a.

Question 34

Cecal a.

Answer 34

Supplies: * Cecum * Ileum Parent Vessel = Ileocolic a.

Question 35

**Blood Supply to the Ileum:**

Answer 35

* Cecal a. * Mesenteric ileal a. * Ileal aa.

Question 36

**Middle Colic a.**

Answer 36

Supplies: * Transverse colon * Proximal part of the descending colon Parent Vessel = Cranial Mesenteric a.

Question 37

**Jejunal a.**

Answer 37

Supplies: * Jejunum * Mesenteric lymphnodes Parent Vessel = Cranial Mesenteric a.

Question 38

**Ileal Arteries:**

Answer 38

Supply: * Ileum * Last branch off of jejunal a. Parent Vessels = Cranial Mesenteric a.

Question 39

**Caudal Mesenteric a.**

Answer 39

Branch off of the Abdominal Aorta Branches into: * Cranial rectal a. * L. Colic a.

Question 40

**Cranial Rectal a.**

Answer 40

Parent Vessel = Caudal Mesenteric a. Supplies = Proximal Rectum

Question 41

**L. Colic a.**

Answer 41

Parent Vessel = Caudal Mesenteric a. Supplies = Descending Colon

Question 42

Blood Supply to the L. Longitudinal Ruminal Groove

Answer 42

L. Ruminal a.

Question 43

Blood Supply to the Ruminoreticular Groove

Answer 43

Reticular a.

Question 44

Blood Supply to the Omasum

Answer 44

L. Gastric a.

Question 45

Blood Supply to the Lesser Curvature of the Abomasum

Answer 45

R. gastric a. L. gastric a.

Question 46

Blood Supply to the Cranial Duodenal Flexure

Answer 46

Cranial pancreaticoduodenal a.

Question 47

Blood Supply to the Descending Duodenum

Answer 47

Proximal Part: Cranial pancreaticoduodenal a. Distal Part: Caudal pancreaticoduodenal a.

Question 48

Blood Supply to the Caudal Duodenal Flexure:

Answer 48

Caudal pancreaticoduodenal a.

Question 49

Blood Supply to the Ascending Duodenum:

Answer 49

Caudal pancreaticoduodenal a.

Question 50

Blood Supply to the Proximal Loop of the Ascending Colon:

Answer 50

Colic Branch of the ileocolic a.

Question 51

Blood Supply to the Centripetal Coils of the Spiral Loop (Ascending Colon):

Answer 51

Colic Branches of the Ileocolic a.

Question 52

Blood Supply to the Centrifugal Coils of the Spiral Loop (Ascending Colon):

Answer 52

Right colic a.

Question 53

Blood Supply to the Distal Loop of the Ascending Colon

Answer 53

Right colic a.

Question 54

Blood Supply to the Right Colic Flexure:

Answer 54

Right Colic a.

Question 55

Blood Supply to the Transverse Colon

Answer 55

Middle Colic a.

Question 56

Blood Supply to the Left Colic Flexure

Answer 56

Middle Colic a.

Question 57

Blood Supply to the Descending Colon:

Answer 57

Proximal Part: Middle Colic a. Distal Part: Left Colic a.

Question 58

Blood Supply to the Rectum:

Answer 58

Cranial rectal a.

Question 59

Blood Supply to the Liver:

Answer 59

Hepatic branches of the hepatic a.

Question 60

Blood Supply to the Gallbladder

Answer 60

Cystic a. (Last branch off hepatic a. )

Question 61

Blood Supply to the R. Lobe of the Pancreas

Answer 61

Cranial Part: Cranial pancreaticoduodenal a. Caudal Part: Caudal pancreaticoduodenal a.

Question 62

Blood Supply to the L. Lobe of the Pancreas

Answer 62

Splenic a.