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ITM Digestive sys
Ch. 16 A&P II
Question | Answer |
---|---|
4 layers of digestive tract wall | mucosa or mucus membrane, submucosa, muscularis, serosa |
muscularis | 2 layers of smooth muscle tissue |
peristalsis | wave like, rhythmic contractions which move the food in muscularis |
gingivitis | inflammation or infection in the gums |
parotids | largest salivary glands |
gastric glands | stomach glands which secrete hydrochloric acid |
rugae | when the stomach is empty the lining lies in folds |
walls of stomach | 3 layers of smooth muscles, run lengthwise, oblique & around, one of the strongest internal organs |
gastritis | stomach inflammation |
enteritis | inflammation of small intestines |
part of small intestines | duodenum |
liver | largest gland in the body, secretes bile |
gallbladder | stores bile |
bile | emulsifies fat globules |
cholecystitis | inflammation of the gallbladder |
cirrhosis | degenerative liver condition, damaged tissue is replaced with fibrous or fatty tissue |
cirrhosis sign & symptoms | nausea, anorexia, gray-white stools, weakness, pain |
cirrhosis causes | hepatitis, chronic alcohol abuse, malnutrition, infection |
pancreatic juices | most important digestive juice |
pancreatic juices | contains enzymes that digest all three major foods-carbohydrate, protein, lipids |
pancreatic juices | contains sodium bicarbonate which neutralizes hydrochloric acid from gastric juices |
pancreatitis | inflammation of the pancreas |
cystic fibrosis | inherited disorder that causes exocrine glands to produce excessively thick secretions that can block & back up pancreatic ducts |
large intestines | where bacteria live |
large intestine | reabsorb water & salts & vitamins |
ascending colon | upward on right side of body |
transverse colon | extends across front of abdomen from right to left |
descending colon | downward on left side of body |
sigmoid colon | "S" shaped segment that terminates in the rectum |
dysentery | inflammatory condition in which there is watery feces that may contain mucus, blood, or pus |
flatulence | presence of air or other gases in gastrointestinal tract in large intestines usually produced by intestinal bacteria |
appendix | veriform appendix-wormlike tubular structure at the end of the cecum |
greater omentum | pouchlike extension of the visceral peritoneum, hangs down over the intestines |
ascites | abnormal accumulation of fluid in the peritoneal space |
stomach | begins protein digestion |
lipase | pancreatic juice that changes lipid to fatty acids & glycerol (digests fat) |
end products of digestion | carbohydrates, proteins, fats |
carbohydrates | glucose, galactose, fructose |
proteins | amino acids |
fats | fatty acids & glycerol |
absorption | occurs in the small intestines |
reabsorption | occurs in the large intestines |
massage for colon cancer | need medical clearance |
massage for hepatitis B | general contraindication |