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ISU - AN S 214 - Class Notes - Week 2

Created by: Megan Spiegel Elite Notetaker

Schools > Iowa State University > Science > AN S 214 > ISU - AN S 214 - Class Notes - Week 2

ISU - AN S 214 - Class Notes - Week 2

School: Iowa State University
Department: Science
Course: Domestic Animal Physiology
Professor: Adur
Term: Fall 2016
Tags: animalscience, anatomy, Physiology, digestion, AnS214, and organs
Name: AnS214-Week 2 Lecture Mon-Fri
Description: Well here it is, everyone! The continuation of the Digestive Tract all the way to completion (lectures Monday, Wednesday and Friday). There will be a visual model that I intend to upload in the next
Uploaded: 09/03/2016
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background image AnS 214: Digestion Part 2       Mechanical  Chemical  ­ Microbial: most ruminants   ­ Enzymatic: most monogastrics      ◼Regulation of the Digestive Tract  Neural Control   ­ Muscular activity   ­ Secretory activity  Hormones  ­ Enzymatic activity   Paracrine Secretion  ­ Enzymatic activity   ­ Growth & Repair    
background image ◼Passage of Food & Parts that Play a Role in Digestion Diagram                 ◼Stomach (Temporary “Storage Tank”)  Location of Mechanical and Chemical digestion   ­ Mechanical and chemical digestion breakdown of protein and fat into chyme.  
background image Minimal absorption of nutrients and water occur in the stomach   ­ Mostly proteins, carbs and fats   ­ Some lipid­soluble substances with break down in the stomach   e.g. alcohol and aspirin   Gross Anatomy of the Stomach Diagram       Gastric Gland Secretions   ­ 2 to 3 L of gastric juice is produced in a day  ­ Components of gastric juice are: H2O, HCl and pepsin  Parietal Cells   ­ Intrinsic factor: Glycoproteins and vitamin B12 absorption  ­ Hydrochloric Acid helps to break down proteins and kill bacteria → will eventually 
activate pepsin and lingual lipase release  
Chief Cells   ­ Pepsinogen (inactive form of enzyme) and lipases   → pepsin (active form of enzyme)   Enteroendocrine Cells   ­ Chemical messengers  
Paracrine, serotonin,  ​histamines  Hormones, somatostatin,  ​gastrin   
 

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School: Iowa State University
Department: Science
Course: Domestic Animal Physiology
Professor: Adur
Term: Fall 2016
Tags: animalscience, anatomy, Physiology, digestion, AnS214, and organs
Name: AnS214-Week 2 Lecture Mon-Fri
Description: Well here it is, everyone! The continuation of the Digestive Tract all the way to completion (lectures Monday, Wednesday and Friday). There will be a visual model that I intend to upload in the next
Uploaded: 09/03/2016
11 Pages 58 Views 46 Unlocks
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