Final - GI System (Abdomen)

What are the 4 parts of the monogastric stomach?

Fundus

Body

Pyloric antrum

Pylorus

What are the 3 portions of the small intestine?

Duodenum

Jejunum

Ileum

What are the Haustra of the large intestine?

The small, pouch-like sacs that give the large intestine (colon) its segmented, "buckled" appearance

What are the Taeniae Coli of the large intestine?

The smooth, longitudinal muscles of the colon

Define Greater Omentum

Define Mesentery

Define Peritoneum, and Peritoneal Cavity

What are the 4 types of heterodont teeth?

What is the function of each?

Incisors —> grasp/prehension

Canines —> pierce, hold prey

Premolars —> grind (herbivores), shear (carnivores)

Molars —> Grind

How does a Rabbit’s GI tract differ from a monogastric omnivore?

How are they classified?

Monogastric herbivore/hind-gut fermenter

Larger/functional cecum

Functional appendix

How does the Cow GI tract differ from a monogastric omnivore?

How are they classified?

Ruminant herbivore/For-gut fermenter

Ruminant stomach = 4 chambered

= Rumen, Reticulum, Omasum, Abomasum

What are the Ruminal Pillars and Sacs?

What is the Reticular Groove?

Bipasses rumen to abomasum for nursing calves

Don’t want to ferment milk

How does the Horse GI tract differ from a monogastric omnivore?

How are they classified?

What are all of the sections of the large intestine?

Monogastric herbivore/hind-gut fermenters

Huge cecum and large intestine w/twists and turns

… more