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Digestive system

Chapter 12

Digestive system Known as the gastrointestinal track Digestive tract Alimentary canal
Digestive system 30 feet long Starts at mouth (oral cavity) end at anus
Functions Prepares food for absorption into the blood stream Prepares food for use by the body Responsible for elimination of solid waste from the body
Oral cavity Buccal cavity
Oral / Buccal cavitiy Consists of : Lips Checks Hard plate ( regae ) Soft plate Uvula Tongue Principal organ of sense, taste,assists in chewing and swallowing
Chewing Mastication
Swallowing Deglutition
Salivary glands Three pairs : parotid so Submandibular and sublinguals
Salivary glands Secrete saliva Mostly water also contains mucus and digestive enzymes that aid in digestive process
Secrete saliva Digestive enzymes are contained in saliva
Digestive amylase AIDS in digestion of carbohydrates
Digestive lipase Aides in digestion of fats
Pharynx Throat
Throat Serves as passageway for both respiratory and digestive systems
Oropharynx Section of throat leading away from oral cavity
Nasopharynx Behind nasal cavity
Laryngopharynx Lower portion / opens to the esophagus and the larynx
Cheil/o Lips
Esophagus Receives food from the. Pharynx
Stomach contains Fundus , body, pylorus , pyloric sphincter, Rugae ,
Stomach Secretes pepsin and hydrochlorid acid for digestion
accessory organs for digestion Pancreatic
Appendicitis A tubed shaped sac attached to an opening into the lower end of the large intestine
Peritonitis Inflammation of the peritoneum
Cholelithiasis Abnormal presence of a stones in the gallbladder
Choledochocoltiase Presence if stone in bile duct
Chyme Liquid like material of partially digested food and secretions found in the Stomach just before released into the duodenum
Gingivitis Inflammation of the gums
Glycogenesis Conversation of simple sugar ( glucose) into a complex form of sugar ( starch) for storage in the liver
Hematemesis Vomiting of blood
Hernia Irregular protrusion of skin organs or portion of any organ through an abnormal break in the surrounding cavitys muscular wall
Hyperemesis Medical term for vomiting
Umbilical hernia Protrusion of the intestine from the umbilicals due to abdominal wall weakness
Diverticulosis Non-inflamed outpouchings or herniation of the muscular layer of the intestines ( sigmoid colon )
Diverticulitis Inflammation of the outpouchings
Dyentery A term used to describe painful intestinal inflammation caused by water / food containing bacteria, / Protozoa / parasites or chemical irritants ( diarrhea with blood)
Cholelithiasis /gallstones Pigmented or hardening cholesterol stones formed by crystallization
Hiatal hernia Diaphragmatic hernia / protrusion of stomach threw diaphragm due to enlarged cardiac sphincter
Umbilical hernia Around the belly button
Dyphermatic. Hernia Sx hernia
Ilieus Obstruction of the intestines due to twisting. Of bowel
Intestinal obstruction Complete. Or partial alteration in the forward flow of contents in small or large intestine ( no blood supply)
Oral leukoplakia Precancerous lesions anywhere in the mouth
Pancreatitis Destructive/ inflammatory condition of the pancreas ( big swollen tummy)
Icterus Jaundice
Aphagia Loss of ability to swallow
Peptic ulcers Break in the continuity of the mucus membrane linning the gastrointestinal Track result of hyper acidity or bacterium ( stomach ulcers)
Helicobacter pylori Stomach ulcers
Neoplasma Tumor / cancerous
Panreas Functions as exercise gland to manufacture digestive juices
Trypsin Breaks down protein
Pancreatic lipase Breaks down fats
Pancreatic amylase Breaks down carbohydrates
Sodium bicarbonate Neutralizes acidic stomach contents
Thrush Fungal infection in mouth and throat Creamy white slightly raised curd like patches Caused by candida albicand
Crohn's disease Digestive track inflammation of a chronic nature ( enteritis)
Diverticular disease Consists of both diverticulitis and diverticulosis
Dental caries Tooth decay caused by acid microorganism
Herpetic stomatitis Infection or inflammation lesions in or around oral cavity
Intussusception Telescoping a portion of the proximal intestines into distal intestines
Irritable bowel syndrome Increased mobility of the small or large intestinal wall
Celiac disease Nutrient malabsorption due to damaged small bowel mucosa because of gluten sensitivity
Achalasia Decreased mobility of the lower two thirds of the esophagus sphincter
Dysentery Term used to describe painful intestinal inflammation caused by water or food containing bacteria Protozoa parasites or chemical irritants
Hirschsprung's disease Absence at birth of the autonomic ganglia in a segment of the intestinal Smooth muscle wall that normally stimulates peristalsis
Hemorrhoid An unnatural distended or swollen vein (called a varicosity) in the distal rectum or anus
Hepatitis Acute or chronic inflammation of the liver due to a viral or bacterial infection drugs alcohol toxins or parasites
Colostomy Surgical creation of an artificial abdominal wall anus by bringing the incised Colon out to the abdominal surface
Gastric analysis Study of the stomach content to determine the acid content and to detect The presence of blood bacteria bile and abnormal cells
Abdominicentesis Insertion of a needle or grocer into the peritoneal cavity to remove Ascetic fluid with the person in a sitting position
Cirrhosis A disease of the liver that is chronic and degenerative causing injury to The hepatocytes
Digestive is also known as Gastrointestinal track
Toungne contains Papillar
Esophagus Receives food from the pharynx
Appendicitis Inflammation of the appendix
Inflammation peritoneum Peritonitis
Cholelithiasis Stones in gallbladder
Pre dense of stone in idle duct Choledochocltise
Gycogenesis Liver turning sugar into glulcose
Protection of stomach through diaphragm/sphincter Hiatal hernia / also diaphragmatic
Created by: Tbella



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