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Essentials of Mammalian Biology Part Two > Digestive Tracts > Flashcards

Flashcards in Digestive Tracts Deck (21)
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1

Name the four stages of food processing in the digestive tract

ingestion - digestion - absorption - elimination

2

Whats the sequence of digestive processes in the ruminant is;

1. microbial
2. host enzymes and acid
3. microbial

3

What does the pancreas secrete?

bicarbonate

4

The reticular (oesophageal) groove allows:

Milk to bypass the retoculo-rumen

5

Dental adaptations of herbivores DO NOT include

Upper incisors

6

Compared to post-gastric fermentation, pre-gastric fermentation tends to be:

able to utilise non-protein nitrogen sources such as urea

7

Carnivores and omnivores tend to have gastric epithelium at the start of, or throughout the:

Stomach

8

Name the enzyme that is used to digest cellulose

Cellulases

9

The parts of the stomach, identified by position and the type of glands present are the

cardia, fundus, body, antrum and pylorus

10

The major organ involved in cellulase digestion in the rabbit and horse is the

Caecum

11

The liver secretes emulsifiers, _______ and _______ into the digestive tract via the bile duct

enzymes and buffers

12

The leaf-like structures in the omasum which provide a very large surface area for
absorption of volatile fatty acids and water are named

Laminae

13

The glands/organs of the digestive tract, other than the secretory epithelium, that secrete
fluids into the tract are salivary glands, pancreas

Liver, gallbladder

14

The major product of carbohydrate digestion in the monogastric animal is

Glucose

15

The products of carbohydrate digestion in the ruminant animal are the volatile fatty acids
acetate

beta-hydroxybutyrate and propionate

16

Digestion of protein the small intestine produces

Amino acids

17

Monogastric digestive tracts DO NOT include

abomasum

18

The secretory gastric epithelium of the stomach secretes

acids, mucus and enzymes

19

Fluids are added to the digestive tract by (name 3)

Salivary glands Pancreas Liver
Gallbladder

20

Cellulose is digested by enzymes named ______ secreted by symbiotic ________

Cellulase micro-organisms

21

The non-ruminant herbivore has a _______ stomach and a large _________

Simple. Caecum