'Gastric phase' diaporamas de présentation

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Chapter 24 The Digestive System

Chapter 24 The Digestive System. Structure Gross Anatomy Function Mechanical Chemical. Overview of GI tract Functions. Mouth---bite, chew, swallow Pharynx and esophagus----transport Stomach----mechanical disruption; absorption of water & alcohol

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Chapter 23

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Digestive System

Digestive System. Digestion. Introduction Physical Digestion Chemical Digestion Hepatic Portal System. Digestive System: Overview. Figure 24.1. Digestive Process. Figure 24.2. Figure 15.3. Essential Activities of Digestion. Figure 24.3a, b. Digestive Process. Figure 24.2.

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Digestive Physiology

Digestive Physiology. Lecture Outline. Basic GI functions Regulation of GI function Phases of Digestion Absorption Protective Function of the GI tract. Basic GI Functions. Primary function Movement of nutrient molecules from the external environment to the internal environment

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Digestive Physiology

Digestive Physiology. Lecture Outline. Basic GI functions Regulation of GI function Phases of Digestion Absorption Protective Function of the GI tract. Basic GI Functions. Primary function Movement of nutrient molecules from the external environment to the internal environment

500 views • 34 slides

Digestive Physiology

Digestive Physiology. Lecture Outline. Basic GI functions Regulation of GI function Phases of Digestion Absorption Protective Function of the GI tract. Basic GI Functions. Primary function Movement of nutrient molecules from the external environment to the internal environment

435 views • 34 slides

Digestion

Digestion. This quiz will require you to apply concepts from digestion. Click here to see the instructions. How It Works. The program will display a question at the top of each screen. Click on the button with the correct answer

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Digestive System

Digestive System. Biology for Majors. Different Diets. Herbivores. Carnivores. Omnivores. Invertebrate Digestive System. (a) hydra and jellyfish medusa (b) nematode. Monogastric Digestive Systems.

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The Gastric Phase

The Gastric Phase. Storage Stomach stores food and controls its passage into the small intestine Digestion Stomach Chemical: Acid, enzymes, and signal molecules Mechanical Protection Stomach acid destroys many bacteria and other pathogens. Stomach protects itself w/thick mucus.

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The Gastric Phase

The Gastric Phase. Storage Stomach stores food and controls its passage into the small intestine Digestion Stomach Chemical: Acid, enzymes, and signal molecules Mechanical Protection Stomach acid destroys many bacteria and other pathogens. Stomach protects itself w/thick mucus.

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Tooth Structure

Tooth Structure. Deciduous & Permanent Teeth. Objective 7:. Ingestion = taking in of food and nutrients Chewing = mastication of food and nutrients into a bolus using the mouth, teeth and tongue Swallowing = movement of bolus past pharynx and into the esophagus to undergo peristalsis.

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Anatomy of Stomach and Duodenum

Anatomy of Stomach and Duodenum. Blood Supply. Lymphatic Drainage. Lymphatic drainage Lymph nodes draining the stomach are numbered and divided into 4 levels, as follows:

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Neural and hormonal control

Neural and hormonal control. Cephalic phase. Brain activated by smell, sight, thought, taste of food. Neurons to salivary glands and gastric glands/stomach muscles Autonomic nervous system. Gastric phase. Stimulus: food in stomach Neural:

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