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Week 6 Body Structure test after test complete pg. 56 in syllabus, review homework-oral practice, Chapter 6-pgs. 120-151-lecture, getting ready for integumentary testusing pgs. 56 and 67 in the syllabus, Medical Language Lab Business 86, Medical Terminology Review Integumentary System What are the three layers of skin? What structures are found in each? Name the three types of burns, describe and tell the layers that each affects Name the two types of glands found in skin(use medical terms) Business 86, Medical Terminology Define the following: dermatosis autograft alopecia ecchymosis hirsutism erythema epidermis diaphoresis gangrene melanoma decubitus ulcer laceration dermatitis SLE urticaria cellulitis abrasion nevus liposuction biopsy onychomalacia cyanosis macule incision Business 86, Medical Terminology Gastrointestinal System Business 86, Medical Terminology Anatomy and physiology of the Digestive System Functions of the digestive system Digestion- the mechanical and chemical breakdown of food Absorption- the process of absorbing nutrients into the body after digestion Elimination- the process of removing waste from the body Business 86, Medical Terminology Upper GI System Business 86, Medical Terminology Structures and Medical Terms of the Upper GI tract and their function Mouth - oro, stomato an opening that holds the food Teeth - donto, dento mastication by chewing, grinding, tearing Gum - gingivo structure to hold the teeth, needs to remain healthy Tongue - glosso, linguo manipulation of the food Business 86, Medical Terminology Salivary Glands Salivary – sialo moisten food (three glands) 1. Sublingual 2. Submandibular 3. Parotid Business 86, Medical Terminology Other structures and terms associated with the upper GI system Bolus - a piece of chewed food Pharynx - throat Epiglottis - a piece of tissue that covers the trachea when swallowing Esophagus - the food tube, lined with rings of muscle, peristalsis occurs Business 86, Medical Terminology Stomach- gastro Lies in the upper-left side of the abdominal cavity Has three layers of smooth muscles (Circular, long, and oblique) Lined with mucous membranes Business 86, Medical Terminology Function of the stomach *mechanical and chemical* Bolus enters by way of the cardiac/esophogeal sphincter and is mixed with gastric juices Churned until semi liquid formed- chyme Process takes 3-5 hours Peristalsis (the involuntary constriction and relaxation of the muscles) moves the chyme to the pyloric valve Pyloric valve (sphincter) relaxes and lets chyme proceed in small amounts to the duodenum Stomach empties and lies in folds called rugae Business 86, Medical Terminology Duodenum first part of the small intestine Small intestine- entero Digestion occurs in proximal duodenum C-shaped and is 10-12 inches in length Business 86, Medical Terminology Function of the Duodenum Chyme enters duodenum Digestive enzymes are added by the pancreas and gallbladder to further break down the chyme Business 86, Medical Terminology Structures and Medical Terms of the Lower GI System Small intestine – entero - is divided up into three segments Duodenum – duodeno - (part of the upper GI system) complete digestion occurs in the proximal duodenum and absorption in the distal duodenum Jejunum – jejuno - more absorption Ileum - ileo - final absorption of nutrients Business 86, Medical Terminology Small Intestine (Entero) primary function Receives enzymes from accessory organs Breaks down fats, CHO, and proteins to be absorbed by the blood and lymph capillaries Absorption of nutrients Business 86, Medical Terminology Villi Throughout the whole length of the small intestine are tiny finger-like projections called ‘villi’. Through the villi 85% of all nutrients are absorbed into the bloodstream for delivery to cells Business 86, Medical Terminology Completion of digestion and absorption of nutrients occurs in the small intestine Completed in 4-6 hours Once completed the waste will move into the cecum The orange arrow Indicates the ileocecal Valve. The cecum is the first part of the large I Intestine. The green arrow is the appendix Business 86, Medical Terminology Large Intestinecolo, colono Water and waste products stored here Wide and about 5’ in length Has no villi, does not coil or lie in folds, and is divided into different areas by nameascending, transverse, descending, and sigmoid Water reabsorbed back into the body Business 86, Medical Terminology Rectum and Anus (procto) Rectum – (recto) - 5 inches and terminates at the anal canal Anus – (ano) - has internal and external sphincter muscles Business 86, Medical Terminology Accessory Organs and their functions Business 86, Medical Terminology Liver Largest glandular organ in the body Manufactures bile (chole)-exocrine function Liver Hepato Business 86, Medical Terminology Gallbladder (cholecysto) Muscular sac Function is to store and release bile Business 86, Medical Terminology Pancreas- pancreato Long fish tail shaped adds digestive juices to breakdown CHO, fats, proteins- exocrine function Business 86, Medical Terminology Peritoneum Lining of the walls of the abdominal cavity Large sheet of serous membranes Contains small amounts of fluid that permits organs to glide freely without friction Business 86, Medical Terminology Folds of peritoneum that support the small intestine Between the folds are blood, lymph and nerve supply for the small intestine Mesentery Business 86, Medical Terminology Pathology of the Digestive System Oral Cavity Stomatitisinflammation of the mouth Gingivitisinflammation of the gums Halitosisbad breath Business 86, Medical Terminology Esophagus/ esophago Dysphagia- difficulty swallowing Gastroesophageal reflux diseasebackflow of gastric contents into the esophagus Business 86, Medical Terminology * Hiatal Hernia The hiatus is an opening in the diaphragm -- the muscular wall separating the chest cavity from the abdomen. Normally, the esophagus (food pipe) goes through the hiatus and attaches to the stomach. In a hiatal hernia (also called hiatus hernia) the stomach bulges up into the chest through that hiatus. There are two main types of hiatal hernias: sliding and paraesophageal (next to the esophagus). Business 86, Medical Terminology Stomach- gastro Gastritis- inflammation of the stomach Dyspepsia- indigestion Nausea-a feeling of sickness in the stomach causing an urge to vomit Emesis- vomiting Eructation- burping Ulcer (gastric)- an open sore of the mucus membrane Business 86, Medical Terminology Small and Large Intestine Ileitis- inflammation of the ileum Enteritis- inflammation of the small intestine Crohn’s disease- inflammation in the small intestine- usually the ileum Colitis- inflammation of the large intestine Flatus- a reflex that expels intestinal gas through the anus Business 86, Medical Terminology Obstipation- Severe constipation Borborygmus- bowel sounds Ascites- abnormal build-up of fluid in the abdomen Appendicitis- inflammation of the appendix Diverticulitis- inflammation of a sac or pouch in the intestinal tract Celiac sprue- a genetic disorder caused by an allergy to gluten, sets off an autoimmune response that causes damage to the small intestine which causes malabsorption Hemorrhoids-veins around the anus or lower rectum are swollen and inflamed Business 86, Medical Terminology Liver- hepato Hepatitis- inflammation of the liver Jaundice- yellowing condition Cirrhosis- condition characterized by irreversible scarring of the liver Business 86, Medical Terminology Gallbladder- cholecysto Cholecystitis- inflammation of the gallbladder Cholelithiasis- gallstones Business 86, Medical Terminology Pancreas- pancreato Pancreatitis- inflammation of the pancreas Business 86, Medical Terminology Psychological Anorexia nervosa - without appetite Bulimia - binging and purging Business 86, Medical Terminology Procedures of the Digestive System Gastrectomy- removal of the stomach Colectomy- removal of the colon Cholecystectomy- removal of the gallbladder Stomaplasty- surgical repair of the mouth Biliary lithotripsy- crushing of gallstones Appendectomy- removal of the appendix Business 86, Medical Terminology Vagotomy- incision of the vagus nerve Colostomy- forming an opening in the colon Colotomy- incision of the colon Anastomosis- a surgical connection between two tubes Ileostomy- forming an opening in the ileum Bariatric surgery- treatment for morbid obesity (stapling,banding,shortening) Business 86, Medical Terminology Colostomy Business 86, Medical Terminology Bariatric Surgery Vertical banded gastroplasty Roux-enY gastric bypass (RGB) Business 86, Medical Terminology Diagnostic Procedures Sigmoidoscopy- visual examination of the sigmoid colon Hemoccult- hidden blood Stool culture- lab testing feces for microorganisms Upper GI series- (UGIS) Upper gastrointestinal series-testing the structures of the upper digestive tract Business 86, Medical Terminology Colonscopy- visual examination of the large intestine Liver biopsy- excision of liver tissue for pathological study Endoscopy- visual examination within Lower GI series- (LGIS) lower gastrointestinal seriestesting the structures of the lower digestive tract Business 86, Medical Terminology Abbreviations TPN- total parenteral nutrition po- by mouth BM- bowel movement ac- before meals NG- nasogastric PUD- peptic ulcer disease UGIS- upper gastrointestinal serier Business 86, Medical Terminology GI- gastrointestinal NPO- nothing by mouth pc- after meals FBS- fasting blood sugar BaE, BE- barium enema BS-n bowel sounds HAV, HBV, HCV- hepatitis A,B,C virus RGB- Roux-en-Y gastric bypass GER(D)- gastroesophageal reflux (disease) Business 86, Medical Terminology Medications Laxatives- purgatives Senokot, Miralax, Dulcolax Antispasmodics- against spasm-IBS Robinul Antiemetics- against vomiting Compazine, Zofran Antacids- against acid Mylanta, Rolaids, Tums Antidiarrheals- against-to relieve diarrhea Imodium Business 86, Medical Terminology Homework Study for integumentary test using pgs. 56 and 67 in syllabus Complete pgs. 63-67 (syllabus) Complete pgs. 152-164(book) Term Plus Digestive-TE and MV www.fadavis.com study questions for chapter 6 Read pgs. 166-194 (book) Business 86, Medical Terminology Review for Integumentary Quiz Page 67 Define the followingSLE Alopecia Nevus Cellulitis Hirsutism Autograft Dermatitis Dermatosis Abrasion Liposuction Diaphoresis Gangrene Biopsy Onychomalacia Erythema Epidermis Ecchymosis Xeroderma Urticaria Hidrosis Business 86, Medical Terminology Name the two glands (use medical terms) located in skin Describe burns and tell what areas of skin they affect Name the three layers of skin ANY QUESTIONS?? Business 86, Medical Terminology