Chapter 7: The Digestive System Flashcards
oral cavity
food enters the body, teeth crush food into smaller pieces
pharynx (throat)
food passageway form mouth to esophagus, air passageway from nose to larynx
esophagus
food is pushed toward stomach by peristalsis
stomach
food transformed into chyme, pyloric sphincter allows chyme to pass into small intestine
chyme
a semi-fluid mass of partially digested food and digestive juices that moves from the stomach to the small intestine
peristalsis
a series of involuntary muscle contractions that move food, fluids, and urine throughout the body
Small Intestine (small bowel)
Duodenum, jejunum, ileum (in that order)
large intestine
ascending, transverse, descending, and sigmoid colon and rectum (rectum is the last part of the colon)
Liver
Largest glandular organ in the body, manufactures blood proteins, destroys old erythrocytes, removes toxins from blood, manufactures bile that aids in digestion of fats, stores and releases glycogen as needed by the body
glycogen
a complex carbohydrate that stores glucose, the body’s main source of energy
gallbladder
stores and releases bile recieved from the liver
pancreas
produces enzymes that aid in digestion of proteins, starches, and fats , secretes insulin and glucagon
act of chewing
mastication
shape and location of the pancreas
elongated, flattened or
main functions of the pancreas
regulates hormones,
oro/o, stomat/o
mouth
dent/o, odont/o:
teeth
gloss/o, lingu/o
tounge
pancreat/o:
pancreas
cholecyst/o
gallbladder
chol/e
byle
choledoch/o
byle duct
duoden/o:
duadenum
jejun/o
jejunum
ile/o
ileum
enter/o
intestines
col/o, colon/o
colon
sigmoid/o
sigmoid colon
rect/o
rectum
an/o
anus
proct/o
anus, rectum
appendicitis
inflammation of the appendix, caused by obstruction or infection, pain located in RLQ
diverticulitis
acute inflammation of diverticula, pain located in LLQ
cholelithiasis
cholelithiasis and choledocholithiasis - formation or presence of gallstones within the gallbladder or bile ducts
sigmoidoscopy
examination of the lower third of the colon only
colonoscopy
examination of entire length of the colon
upper gastrointestinal series
images of esophagus, stomach, and small intestine after ingestion of barium
lower gastrointestinal series
images of the rectum and colon after administration of a barium enema into rectum and identifies obstructions tumors, or other abnormalities of the colon
bariatric surgery
vertical banded gastroplasty
colostomy
creation of an opening into the colon through the surface of the abdomen
polypectomy
excision of a small tumor like
antacids
counteract or neutralize acidity, usually in the stomach
antidiarrheals
control loose stools
antiemetics
control nausea and vomiting
laxatives
treat constipation