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1. Digestion Breakdown of food into absorbable molecules
2. Triglyceride Fat molecule with 3 fatty acids + glycerol
3. Diacylglycerol Glycerol + 2 fatty acids
4. Monoacylglyc- Glycerol + 1 fatty acid
erol
5. Fatty acid Long hydrocarbon chain used for energy
6. Glycerol Backbone of triglycerides
7. Peptide Chain of amino acids
8. Complex carbo- Polysaccharide (e.g., starch)
hydrate
9. Disaccharide Two sugars linked together
10. Monosaccharide Single sugar (glucose)
11. Absorption Movement of nutrients into blood/lymph
12. Microbiome Bacteria living in the gut
13. Alimentary canal Continuous tube from mouth ’anus
14. GI tract Same as alimentary canal
15. Small intestine Main site of digestion & absorption
16. Large intestine Absorbs water, forms feces
(colon)
17. Accessory organ Helps digestion but food doesn't pass through it
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, Digestive System Anatomy and Physiology: Key Concepts and Structures
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18. Salivary gland Produces saliva
19. Amylase Breaks down starch
20. Lipase Breaks down fats
21. Insulin-like Hormone aiding growth
growth factor
22. Gall bladder Stores bile
23. Pancreas Produces enzymes & hormones
24. Insulin Lowers blood glucose
25. GALT Gut-associated lymphoid tissue
26. Muscularis mu- Thin smooth muscle layer in mucosa
cosa
27. Duodenum First part of small intestine
28. Muscularis exter- Muscle layer for movement
na
29. Serosa Outer covering of organs
30. Visceral peri- Covers organs
toneum
31. Enteric system Nervous system of GI tract
32. Myenteric plexus Controls motility
33. Controls secretion
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