Non-glandular stomach

Question 1

Non-glandular region of stomach is lined by

Answer 1

Cutaneous mucous membrane

Question 2

Glandular regions of stomach include

Answer 2

cardiac gland
proper gastric gland
pyloric gland

Question 3

Margo plicatus

Answer 3

Separates horse’s glandular stomach from non-glandular

Question 4

What are the non-glandular parts of the ruminant stomach

Answer 4

Rumen
Reticulum
Omasum

Question 5

What is in rumen to increase absorptive surface area?

Answer 5

Conical papilla

Question 6

Best way to ID rumen

Answer 6

No muscularis mucosae (therefore, has lamina propria-submucosa)

Question 7

Rumen fxn

Answer 7

Fermentation vat

-Makes VFA to provide E for ruminant

Question 8

What is essential for cellulose digestion in ruminant

Answer 8

bacteria

Question 9

What helps increase surface area of reticulum

Answer 9

Crests/folds/cristae

Question 10

Best way to ID reticulum

Answer 10

Muscularis mucosae present only in apex of crest

Question 11

Fxn of reticulum

Answer 11

Same as rumen

Question 12

Best way to ID omasum

Answer 12

Numerous longitudinal laminae (mucosal folds) in wall of lumen

Question 13

Omasal papillae

Answer 13

Different from laminae in omasum

-small knobs that assist with grinding

Question 14

Does omasum have complete muscularis mucosae?

Answer 14

yes

Question 15

Fxn of omasum

Answer 15

Absorption of water, VFA, breakdown of food