'Gastric secretion' presentation slideshows

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915 views • 72 slides

The Digestive System

The Digestive System. Functions of the Digestive System. Ingest food Break down food into nutrient molecules Absorb molecules into the bloodstream Rid the body of indigestible remains. Main Divisions of the Digestive System. Alimentary Canal

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Pathophysiology of the GIT

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Pathophysiology of the GIT

927 views • 66 slides

Pharynx

Pharynx. Oropharynx and laryngopharynx Allow passage of food, fluids, and air Skeletal muscle layers: inner longitudinal, outer pharyngeal constrictors. Esophagus. Flat muscular tube from laryngopharynx to stomach Travels through the diaphragm via an opening called the esophageal hiatus

658 views • 57 slides

Stomach

Stomach. J-shaped organ lies below the diaphragm Sphincters at both ends Outer serosa covers smooth muscle layers Inner layer of glandular epithelium faces lumen. Capacity: 1-1.5 L FUNCTIONS: Acts as a Reservoir. Digestive /Secretory action.

829 views • 54 slides

PEPTIC ULCER Definitions: Stomach or duodenal mucosal lesions

PEPTIC ULCER Definitions: Stomach or duodenal mucosal lesions Occurrence: due to imbalance between aggressive factors and mucosal protective mechanisms. PEPTIC ULCER Aggressive factors Pepsin secretion - acid secretion Protective factors Prostaglandins (E2 & I2 )

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Gastrointestinal Hormones

Gastrointestinal Hormones. Overview of the GI Tract Digestion and Absorption Regulation of Digestive Functions GI Hormones and Paracrine Factors Integration of Neural and Endocrine Signals Signaling Mechanisms. Functions of the GI Tract. Ingestion: Taking in food

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Gastric Secretion

??? ???? ?????? ??????. Gastric Secretion. Dr.Mohammed Sharique Ahmed Quadri Assistant Professor Physiology Almaarefa College. Objectives. Describe the three types of gastric exocrine secretory cells and there secretions. Summarize the mechanism of HCl secretion in stomach.

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Introduction to Neuropharmacology

Introduction to Neuropharmacology. Neuropharmacology. Study of drugs that alter processes controlled by the nervous system Division of neuropharmacological agents Peripheral Nervous system drugs Central Nervous system drugs. How Neurons Regulate Physiology. General process

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Chapter 26 Physiology of the Digestive System

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The GI Tract: Secretions, Motility & PONV

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BI 203 Human Anatomy & Physiology II

BI 203 Human Anatomy & Physiology II. Why do we have a digestive system ? Provide nutrients to all tissues in the body. What tasks does your digestive system do ? Ingestion, mastic ation, propulsion, mixing, secretion, digestion, absorption, transportation, elimination. What is digestion ?

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Week 4: Macrocytic Anemia

Macrocytosis Vitamin B12 Folic acid Megaloblastic changes Pernicious anemia Schilling test Hypersegmented PMN. Bone marrow analysis WBC precursors Liver disease Polycythemia and erythremia PV Newborn CBC. Week 4: Macrocytic Anemia. Bone Marrow Analysis. Aspirate

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Healthy Mucosa and Peptic Ulcer

Healthy Mucosa and Peptic Ulcer. Regulation of Gastric Secretion. Regulation of Gastric Function (Phases 1-2). Cephalic phase sight, smell, taste or thought of food vagus nerve stimulates gastric secretion and motility Gastric phase activated by presence of food or semidigested protein

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Chapter 26 Physiology of the Digestive System

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Pathophysiology of digestion

The State Education Institution of Higher Professional Training The First Sechenov Moscow State Medical University under Ministry of Health of the Russian Federation. Department of Pathophysiology. Pathophysiology of digestion. Lecture presentation. Professor Pirozhkov S.V.

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Hormonal control in the Digestive system: Gastric hormones

Hormonal control in the Digestive system: Gastric hormones. GASTRIN: Secretion: By enteroendocrine (G) cells in gastric pits of the mucosa. Stimulus: Stomach distention and acid pH of chyme causes Gastrin. Action: 1. increases HCl production in stomach 2. increases gastric motility

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Lecture 5

Lecture 5. History of development of pharmaceutical science and training of pharmaceutical personnel. CONTRIBUTION OF UKRAINIAN SCIENTIST TO THE DEVELOPMENT OF MEDICINE. 1. Medical schools .

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Role of histamine in controlling gastric acid secretion:

Role of histamine in controlling gastric acid secretion:

502 views • 7 slides