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Digestive system
This is a preview. There are 215 more flashcards available for chapter 23/01/2018
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Mass flow of nutrients (through body and cells) consists of:
Nutritional input, physiological output and metabolism -
What does microbial fermentation by microbiota in colon?
It provides energy (no amino acids) for the host -
Temperature and time in which random bonds are hydrolysed:
10-12 hours at 105 degrees -
What are anabolic reactions?
Synthesis of body constituents -
What are catabolic reactions?
Release of energy from food or body constituents -
Post prandial phase
Digestion, absorption and storage
(storage, interconversion, oxidation)
Input is larger than needs -
Post absorptive phase
Usage (utilisation)
(turnover, interconversion, oxidation)
Input is lower than needs -
DIT: under specific conditions, consequences of PPM
might change metabolic settings -
Transfer of monomers from food to body requires
Digestion to absorbable (water soluble) components -
Protective devices against autodigestion are
mucus layer and high cell-turnover
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