ANAT LEC: COMPARATIVE DIGESTIVE SYSTEM

Question 1

This animal has an esophagus voluntary to the heart.

Answer 1

Horse

Question 2

This animal has an esophagus voluntary throughout and is dilatable.

Answer 2

Ox/ sheep

Question 3

The esophagus of this animal is voluntary until the cardia.

Answer 3

Pig

Question 4

The esophagus of this animal is voluntary throughout and has ventral constriction called __________.

Answer 4

Dog
Isthmus oesophagi

Question 5

What is the capacity of the horses’ stomach and what do you call the one that separates the glandular from non- glandular region?
What don you call the non- glandular extremity of it?

Answer 5

Horse
Margo plicatus
Saccus caecus

Question 6

The stomach of this animal has 2 gallons capacity and the left extremity has a blind pouch called ____________?

Answer 6

Pig
Diverticulum ventriculi

Question 7

The stomach of this animal is described as having 4 pints or pear shaped and is distensible.

Answer 7

Dog

Question 8

What type of stomach does ruminants have?
How about monogastric animals?

Answer 8

Compound stomach
Simple stomach

Question 9

What are the parts of compound stomach?

Answer 9

• rumen
  -reticulum
  -omasum
  -abomasum

Question 10

A.k.a paunch; it occupies ________ half of the abdominal cavity (____th intercostales space to the pelvic inlet)
Fq: what are the mucus membrane present in this?

Answer 10

• Rumen
• 7th
• foliate, filiform, club-shaped

Question 11

A.k.a honeycomb; most anterioir and smallest of non-glandular region; located ________ side of median plane opposite ribs _____, _____, ______

Answer 11

• reticulum
• left
• 6, 7, 8

Question 12

A.k.a manyplies, book/ bible; located at _______ side of mid- line (____th to _____th ribs)

Answer 12

Omasum
Right
7th to 11th

Question 13

A.k.a true stomach or renet; lies on abdominal floor; anterioir end of fundus _______ region

Answer 13

Abomasum
Xiohoid

Question 14

The milk in young cattle curdles because of the enzyme?

Answer 14

Rennin

Question 15

What consist the proventriculi?

Answer 15

rumen, reticulum, and omasum?

Question 16

Mucous membrane of the interior of compound stomach.

Answer 16

Stratified squamous epithelium

Question 17

What are the glandular stomach of ruminant?

Answer 17

Rumen, reticulum, omasum

Question 18

What consist the glandular stomach of ruminants?

Answer 18

Abomasum

Question 19

What do you call the junction where the esophagus enter the stomach? Where is it situated?

Answer 19

Atrium ventriculi
8th, 9th rib

Question 20

It functions as a fermentation trap

Answer 20

Rumen

Question 21

When liquids passes through the omasum without passing the proventriculi?

Answer 21

Esophageal groove

Question 22

What is the flow of esophageal groove?

Answer 22

BODFI
backward, outward, downward, forward, inward

Question 23

How many feet is the horses’ small intestine?
How many inches is it from the pylorus?
Its duodenum has a pouch called?
What ducts open to the previous answer?
What duct opens on a small papilla opposite to the answer above?

Answer 23

70ft
6
Diverticulum duodeni
Ventral pancreatic and hepatic duct
Dorsal/ accessory duct

Question 24

How long is the ox small intestine?
The duodenum commences at a ________?
The ________ duct opens in the ventral part.
Does it have ventral pancreatic duct?
The ___________ duct opens 1 foot further back.

Answer 24

130ft
Sigmoid flexure
Bile
No
Dorsal pancreatic duct

Question 25

How long is the sheep’s small intestine?
The ______ duct combines with _______ to form common bile duct.
The ________ bile duct opens into the duodenum about 1foot from the pylorus.

Answer 25

80ft
Bile duct, ventral pancreatic duct
Common bile duct (1ft from pylorus)

Question 26

How long is the pig’s small intestine?
_________ duct opens 2 in from pylorus.
A single pancreatic duct opens _____ inches beyond this.

Answer 26

60ft
Bile duct
5inches

Question 27

The dog’s small intestine is ______ft in length. Bile duct and ventral pancreatic duct open _____in beyond the pylorus. The dorsal pancreatic duct opens _____inches further back.

Answer 27

13ft
2inches
2 inches