Term
click below
click below
Term
Normal Size Small Size show me how
digestive review
Term | Definition |
---|---|
Mouth | receives food into the oral cavity as it is tasted and broken down by the teeth. (mastication) |
Teeth | hard structures in the mouth that breakdown food by chewing |
Tongue | muscular organ that contains taste buds. Aids in chewing/swallowing (deglutition). |
Salivary glands | secrete amylase that aids in chemical breakdown of starchy foods |
Pharynx (throat) | carries both food, liquid & air. Nasopharynx, Oropharynx, Laryngopharynx |
Esophagus | muscular tube that carries the food to the stomach. Relies on peristalsis to move the food. |
Stomach | receives food from the esophagus. Food usually remains in the stomach for 1-4 hours |
Small intestine | process of digestion is completed here. 17-20 feet long/ 1 inch in diameter. 3 sections: duodenum, jejunum, ileum |
Colon (Large intestine) | absorbs liquid and remaining indigestible materials which are excreted from the body at the anus. 5 feet long/ 2 inches in diameter. 6 parts: cecum/appendix, ascending, transverse, descending, sigmoid, rectum |
Rectum | last part of the large intestine that stores waste before it passes out of the body through an opening called the Anus |
Feces (stool) | indigestible waste expelled through the anus (opening at lower end of the digestive tract). |
Liver | storage of nutrients, breaks down fats and helps remove wastes from the body, converts glycogen to glucose for energy, makes bile (breaks down fatty foods), Located in RUQ |
gallbladder | stores and concentrates bile (small sac located inferior to the liver) |
pancreas | Produces insulin & enzymes for digestion |
1st small intestines | duodenum |
2nd small intestines | jejunum |
3rd small intestines | ileum |
1st large intestines | cecum/appendix |
2nd large intestines | ascending colon |
3rd large intestines | transverse colon |
4th large intestines | descending colon |
5th large intestines | sigmoid |
6th large intestines | rectum |
1 | mouth |
2 | pharynx |
3 | esophagus |
4 | stomach |
5 | small intestines |
6 | large intestines |
7 | rectum |
8 | anus |
GERD | (acid reflux) upward flow of acid from the stomach into the esophagus. |
Pyrosis | (heartburn) burning feeling in chest from GERD |
Peptic Ulcers | sores in the membrane of the digestive system from overproduction of stomach acid |
Anorexia Nervosa | self-deprivation of food and normal body weight that is a psychiatric disorder that affects the digestive system. |
Bulimia Nervosa | eating disorder characterized by frequent episodes of binging and purging. |
Obesity | excessive accumulation of fat in the body. Generally more than 30% overweight. |
IBS | irritable bowel syndrome) common condition of unknown cause with symptoms of cramping, pain, constipation and /or diarrhea. |
IBD | inflammatory bowel disease) general term for disease that cause inflammation of the intestine |
Crohn’s Disease | inflammation of the lining of digestive tract causing fatigue, diarrhea, weight loss |
Colitis | inflammation of digestive tract causing pain, bloating, vomiting |
Hernia | protrusion of an organ/structure through the muscle that usually contains it |
Dental Caries | tooth decay including cavities |
Celiac Disease | malabsorption condition with weight loss and diarrhea thought to be caused by an intolerance of gluten |
Hepatitis | inflammation of the liver caused by viral infection, drugs, alcohol, and/or fatty liver. Can cause jaundice (due to liver damage) |
Cirrhosis | scarring of the liver often caused by excessive alcohol consumption, drugs, or hepatitis |
Ascites | abnormal excess fluid in the abdomen |
Constipation | difficult elimination of hard stool |
Diarrhea | abnormal watery or loose still |
Emesis | vomiting |
Halitosis | bad breath |
Nausea | urge to vomit |
Regurgitation | vomiting |
Dehydration | fluid loss |
Antiemetic | Drugs that prevents or relieves nausea and vomiting. |
Bariatric Surgery | term that encompasses the surgical treatments available for morbid obesity, including lap bands, gastric bypasses, and other similar procedures to reduce the size of the stomach or digestive tract |
Diet | A diet specially prescribed to treat a health condition through gradual elimination and/or integration of specific foods. |
Laxative | Drug that stimulates bowel movements |
Bariatrics | concerned with the prevention and control of obesity |
Dentist | specializes in the care of the teeth and oral cavity |
Dental Hygienist | licensed to clean, x-ray, give fluoride treatments and educate patients about hygiene. |
Gastroenterologist | specializes in the care of the stomach and intestines. |
Orthodontist | dental professional who specializes in the alignment of the teeth. |
Periodontist | dental professional who specializes in the tissues surrounding the teeth. |
Proctologist | physician who specializes in the colon, rectum and anus. |
Ingestion | intake of food |
Digestion | breakdown of food into nutrients |
Absorption | nutrients enter bloodstream and are delivered to the body |
Elimination | unused solid waste expelled (fiber, fat, protein & bacteria) |