PPT-Digestive System 1. Oral Cavity

Where Digestion begins Contains several structures that help start digestion A Teeth Break down food 32 in an adult 20 in a child 1 Oral Cavity B saliva keep . A. Bacterial Diseases of the Upper Digestive Tract (Mouth & Stomach). 1. Tooth Decay (dental caries). A) This is an endogenous infection . 1) Most common infectious disease of humans . 2) Young are more susceptible than old. Introduction. Acquiring food for energy to drive metabolism and other physiological processes is central to the survival of the individual.. Competition for food resources is often intense in the animal’s natural surroundings, therefore, increasing the efficiency with which you collect and process food is at a premium in natural selection. . A. Bacterial Diseases of the Upper Digestive Tract (Mouth & Stomach). 1. Tooth Decay (dental caries). A) This is an endogenous infection . 1) Most common infectious disease of humans . 2) Young are more susceptible than old. ANATOMY OF THE DIGESTIVE SYSTEM Kaan Yücel M.D., Ph.D . 21.November.2014 Friday The oral region includes the oral cavity , teeth , gingivae , tongue , palate , and the region of the palatine tonsils PowerPoint® Lecture Slides prepared by Jason LaPres. Lone Star College - North Harris. Introduction to the Digestive System. Acquires nutrients from environment. Anabolism. Uses raw materials to synthesize essential compounds. 1. Gastrointestinal (GI) Tract. A) . Tubular . structure from mouth to anus. 2. Accessory Structures. A) . Teeth. , tongue, salivary glands, liver, gallbladder & pancreas. Digestive System. B. 6 basic processes. Form and structure of the body and its parts. What things look like and where they are located. System of the body. Organs in the body. Job or function. Skeletal. bones. Protects vital. organs. Muscular. System. Dr.Fadia. Al-. khayat. The digestive system is composed of a continuous tract beginning with the oral cavity and ending at the anus. this tract is called the . alimentary canal . or the . gastrointestinal tract (GIT). and . histology. Dr Gallatz Katalin. PARTS AND WALLS OF THE ORAL CAVITY. FLOOR OF THE ORAL CAVITY – ORAL DIAPHRAGM. HARD AND SOFT PALATE. ISTHMUS OF FAUCES. BLOOD SUPPLY OF THE ORAL CAVITY. Parts. Regions of the Face . Forehead: Extending from the eyebrows to the hairline. Temples: Anterior to the eyes. Orbital: Eye area that is covered by the eyelids. External nose. Regions of the Face . cont.. secretory. products into the oral cavity, the salivary glands. In the lab you will also have the opportunity the examine one other specialized epithelial area, the lip. The . oesophagus. is the first part of the alimentary canal. Its . continual supply . of water, electrolytes, and . nutrients.To. achieve . this requires . (. 1) movement of food through. the alimentary tract; (2) secretion of digestive juices. and digestion of the food; (3) absorption of water,. Squamous Cell Carcinoma Jeremy Price, MD, PhD Faculty Advisor: Yvonne Mowery, MD, PhD Duke University, Durham, NC, USA Case: History • HPI : 81F presents with left facial swelling , difficulty ch Ingestion. . – taking food/drink into mouth.. Propulsion. . – movement through alimentary canal (swallowing, peristalsis).. Mechanical Digestion. . – . Physical. breakdown of food (chewing, churning)..