The Pancreas and the Anal Canal.

Question 1

What are the 2 lobes that form the pancreas?

Answer 1

The right lobe.

The left lobe.

Question 2

How does the right lobe of the liver compare to the left lobe?

Answer 2

The right lobe is longer than the left lobe.

Question 3

The right lobe of the pancreas is associated with what other organs?

Answer 3

The descending duodenum and the right kidney.

Question 4

The left lobe of the pancreas is associated with what other organs?

Answer 4

The deep leaf of the greater omentum and the transverse colon.

Question 5

What is the connecting peritoneum for the left lobe of the pancreas?

Answer 5

The greater omentum.

Question 6

What is the connecting peritoneum for the right lobe of the pancreas?

Answer 6

The mesoduodenum.

Question 7

What are the 2 major ducts that are associated with the exocrine portion of the pancreas?

Answer 7

The pancreatic duct.

The accessory pancreatic duct.

Question 8

Where does the pancreatic duct open into the small intestine?

Answer 8

It accompanies the bile duct and opens into the duodenum via the major duodenal papilla.

Question 9

Where does the accessory pancreatic duct open into the small intestine?

Answer 9

At the minor duodenal papilla.

Question 10

Do all cats have an accessory pancreatic duct?

Answer 10

Only 20% of cats have an accessory pancreatic duct.

Those that do not have an accessory pancreatic duct will use the pancreatic duct for all of their secretions.

Question 11

Will animals without an accessory pancreatic duct have a minor duodenal papilla?

Answer 11

No.

Question 12

In the dog, will the pancreatic duct and the common bile duct join up with each other?

Answer 12

No, they open at the same papilla.

Question 13

In the cat, will the pancreatic duct and the common bile duct join up with each other?

Answer 13

Yes, they will form a common tube just before it opens into the major duodenal papilla.

Question 14

What is the most caudal section of the digestive system?

Answer 14

The anal canal.

Question 15

What are the 2 sphincters that guard the anal passageway?

Answer 15

The internal anal sphincter.

The external anal sphincter.

Question 16

What are the 3 zones of the anal canal?

Answer 16

The columnar zone.

The intermediate zone.

The cutaneous zone.

Question 17

The rectum is surrounded by what muscles?

Answer 17

The levator ani and coccygeus muscles.

Question 18

What happens at the terminal part of the rectum?

Answer 18

The direction of the mucosal folds change from transverse to longitudinal folds.

Question 19

The area of the anal canal with longitudinal folds makes up what zone of the anal canal?

Answer 19

The columnar zone.

Question 20

What is the intermediate zone of the anal canal?

Answer 20

It links the columnar zone to the cutaneous zone.

Question 21

What is the major difference between the 2 sphincters of the anal canal?

Answer 21

The internal anal sphincter is made up out of smooth muscle.

The external anal sphincter is made out of skeletal/striated muscle.

Question 22

Where are the paranal sinuses found?

Answer 22

On each side of the anal canal, between the internal and external anal sphincters.

Question 23

What is the function of the paranal glands?

Answer 23

They produce secretions which are smeared onto the animals faeces at the time of defecation.

Question 24

Where are the anal glands found relative to the anus?

Answer 24

Between 4 o clock and 5 o clock on the right side.

Between 7 and 8 o clock on the left side of the anus.