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Anatomy and Physiology of Digestion

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

Digestion

Back (Answer)

physical, chemical, and enzymatic processes that prepare a feedstuff for absorption

#2
Front (Question)

physical digestion

Back (Answer)

mastication (chewing) peristalsis (smooth muscle contraction)

#3
Front (Question)

chemical digestion

Back (Answer)

acid (HCl) in stomach or abomasum

#4
Front (Question)

enzymatic digestion

Back (Answer)

enzymes to break down chemical bonds produced in various locations in the GI tract - mouth, pancreas, small intestine, bacteria in rumen, cecum or colon

#5
Front (Question)

types of digestive systems

Back (Answer)

monogastric, avian, ruminant, pseudo-ruminant, hind gut fermentation

#6
Front (Question)

monogastric

Back (Answer)

one simple stomach carnivores - cats, dogs omnivores - humans, pigs, avian too

#7
Front (Question)

herbivore fermentation strategies

Back (Answer)

pregastric, pseudo ruminant, post gastric

#8
Front (Question)

ruminant pre-gastric

Back (Answer)

"polygastric" characteristics -slower digestion carbohydrates are fermented to VFAs -acetate, propionate, butyrate VFAs absorbed and transported to liver

#9
Front (Question)

acetate

Back (Answer)

2 carbon

#10
Front (Question)

propionate

Back (Answer)

3 carbon

#11
Front (Question)

butyrate

Back (Answer)

4 carbon

#12
Front (Question)

microbial protein

Back (Answer)

high biological value rumen microbes break down plant protein and make microbial protein they then pass down digestive tract, die and are digested major AA source for ruminants

#13
Front (Question)

true ruminants

Back (Answer)

4 chambered stomach rumination cattle, sheep, goats, deer, buffalo, antelope, gazelles, giraffe

#14
Front (Question)

pseudoruminant

Back (Answer)

3 chambered stomach (rumen+reticulum combined also have glandular HCl stomach) function like a true ruminant rumination fermentation of CHO to VFAs

#15
Front (Question)

post gastric (hind gut) fermentation

Back (Answer)

microbial protein lost in feces energy obtained from absorption of VFAs

#16
Front (Question)

steps of digestion

Back (Answer)

prehension mastication salivation deglutition

#17
Front (Question)

prehension

Back (Answer)

bring food into mouth

#18
Front (Question)

mastication

Back (Answer)

chewing

#19
Front (Question)

salivation

Back (Answer)

salivary gland secretion

#20
Front (Question)

deglutition

Back (Answer)

swallowing

#21
Front (Question)

rumination

Back (Answer)

regurgitation reinsalvation remastication redeglutition

#22
Front (Question)

mouth

Back (Answer)

contains organs of: prehension (teeth tongue) mastication (teeth jaws) salivation (salivary glands) deglutition (palate throat epiglotis)

#23
Front (Question)

saliva

Back (Answer)

contains: amylase - starch digestion bicarbonate - buffering

#24
Front (Question)

esophagus

Back (Answer)

tube connecting mouth to stomach function: -transports ingesta from mouth to stomach -peristalsis - moves food to stomach -lower esophageal sphincter - prevents acid reflux