PHIS 206 1st Edition Lecture 29 Outline of Last Lecture I Small Intestine II Motility a Segmentation b Peristalsis c Muscularis Mucosa Contraction d Migrating Motility Motor Complex III Secretion IV Digestion V Further Digestion of Nutrients Carbohydrates Proteins Fats VI Absorption VII Diarrhea Outline of Current Lecture I 4 Processes of Large Intestine II Motility a Haustral Contractions b Mass Movement c Defecation Reflex III External Anal Sphincter IV Pre Biotics Pro Biotics V Absorption What s In Species Current Lecture I II 4 Processes of Large Intestine Motility haustral contractions mass movement defecation reflex Secretion alkaline mucus Digestion by bacteria in the lumen Absorption mostly sodium ACTIVE water PASSIVE Motility a Haustral Contractions main motility pattern in the colon less frequent than the motility in the small intestine due to electrical smooth muscle better reabsorption colonic contents mixed with mucosa b Mass Movement These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute III IV V long peristalsis get contents to distal proportion for storage Gastrocolic reflex mass movement triggered by food in stomach c Defecation Reflex smooth muscle and colon contract sphincter internal anal relax ONLY occurs when external anal sphincter relaxes process easier by expiring and contracting abdominal muscles External Anal Sphincter foundation of our social structure Price Pre Biotics Pro Biotics Pre biotics carbohydrates used to feed the beneficial bacteria of the gut b c these carbs cannot be digested Pro biotics eating healthy bacteria to help populate your gut Lactobacillus Bifidobacteria Absorption What s In Feces Undigested food Bacteria Water 75 Bilial components
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