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Chapter 14
Digestive system
148
Medical
Undergraduate 1
10/22/2008

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Term
Abdominocentesis
Definition
incision into the abdomen to remove fluid or relieve pressure
Term
Achlorhydria
Definition
lack of hydrochloric acid in the stomach
Term
ALT
Definition
Alanine Transaminase - serum test for liver function
Term
Amino acids
Definition
chemical compound that results from digestion of complex proteins
Term
Amylase
Definition
enzyme that is part of pancreatic juice and saliva and that begins the digestion of carbohydrates
Term
Anal fistula
Definition
small opening in the anal canal through which waste matter can leak into the abdominal cavity
Term
Aphagia
Definition
inability to swallow
Term
Appendicitis
Definition
inflammation of the appendix
Term
Appendix
Definition
wormlike appendage to the cecum
Term
AST
Definition
Aspartate Transaminase - serum test for liver function
Term
Ascites
Definition
fluid build up in the abdominal and peritoneal cavities
Term
Barium enema
Definition
administration of a barium solution through an enema
Term
Barium swallow
Definition
ingestion of a barium solution
Term
Belching
Definition
a reflex that expels gas from the stomach through the mouth
Term
Bile
Definition
yellowish-brown to greenish fluid secreted by the liver and stored in the gall-bladder; aids in fat digestion
Term
Bilirubin
Definition
pigment contained in bile
Term
Body
Definition
middle section of the stomach
Term
C & S
Definition
Stool Culture & Sensitivity - a test used to test the effectiveness of certain medications on microorganisms
Term
CAT scan
Definition
provides a visual image of the abdominal cavity and the digestive tract
Term
Cecum
Definition
pouch at the top of the large intestine connected to the bottom of the ileum
Term
Cheilitis
Definition
inflammation of the lips
Term
Chyme
Definition
semi-solid mass of partially digested food and gastric juices that passes from the stomach to the small intestine
Term
Cholangitis
Definition
inflammation of the bile ducts
Term
Cholecystitis
Definition
inflammation of the gallbladder
Term
Cholecystography
Definition
x-ray of the gallbladder
Term
Cholelithiasis
Definition
gallstones in the bladder
Term
Cholelithotomy
Definition
removal of gallstones
Term
Cholelithotripsy
Definition
breaking up or crushing of stones in the body; especially gallstones
Term
Cirrhosis
Definition
liver disease, often caused by alcoholism
Term
Colitis
Definition
inflammation of the colon
Term
Colon
Definition
major portion of the large intestine
Term
Colostomy
Definition
creation of an opening from the colon into the abdominal wall
Term
Constipation
Definition
difficult or infrequent defecation
Term
Defecation
Definition
release of feces from the anus
Term
Deglutition
Definition
swallowing
Term
Diarrhea
Definition
loose, watery stool
Term
Diverticulosis
Definition
condition in which diverticula trap food or bacteria
Term
Duodenal ulcers
Definition
ulcer in the duodenum
Term
Dyspepsia
Definition
indigestion
Term
Duodenum
Definition
top part of the small intestine where chyme mixes with bile,pancreatic juices,and intestinal juice to continue the digestive process
Term
Dysphagia
Definition
difficulty in swallowing
Term
Emesis
Definition
backward flow from the normal direction
Term
Emulsification
Definition
breaking down of fats
Term
Eructation
Definition
belching
Term
Fatty acids
Definition
acid derived from fat during the digestive process
Term
Flatulence
Definition
gas in the stomach or intestines
Term
Flatus
Definition
gas in the lower intestinal tract that can be released through the anus
Term
Fundus
Definition
upper portion of the stomach
Term
GERD
Definition
gastroesophageal reflux disease
Term
Gallbladder
Definition
organ on lower surface of liver that stores bile
Term
Glycogen
Definition
starch that can be converted into glucose
Term
Halitosis
Definition
foul mouth odor; unusually bad breath
Term
Hard palate
Definition
hard anterior portion of the palate at the roof of the mouth
Term
Hematemesis
Definition
blood in vomit
Term
Hemocult test
Definition
a chemical test of a stool specimen
Term
Hemorrhoids
Definition
swollen, twisted veins in the anus
Term
Hepatitus
Definition
inflammation or disease of the liver
Term
Hepatomegaly
Definition
enlarged liver
Term
Hiatal hernia
Definition
protrusion of the stomach through and opening in the diaphragm
Term
Hydrochloric acid
Definition
provides acidic environment for action of pepsin
Term
Hyperbilirubinemia
Definition
excessive bilirubin in the blood
Term
Gastritis
Definition
inflammation of the stomach
Term
Gastroenteritis
Definition
inflammation of the stomach and small intestine
Term
Glossitis
Definition
inflammation of the tongue
Term
Glucose
Definition
sugar found in fruits and plants and stored in various parts of the body
Term
IBD
Definition
Irritable Bowel Disease
Term
IBS
Definition
Irritable Bowel Syndrome
Term
Ileostomy
Definition
creation of an opening into the ileum
Term
Ileostomy
Definition
creation of an opening into the ileum
Term
Ileus
Definition
intestinal blockage
Term
Intussusception
Definition
prolapse or collapse of an intestinal part into a neighboring part. One section collapses into another like a telescope
Term
Jaundice
Definition
excessive bilirubin in the blood causing yellowing of the skin
Term
Jejunum
Definition
middle section of the small intestine
Term
Large intestine
Definition
passageway in intestinal tract for waste received from small intestine to be excreted through the anus; also, place where water reabsorbtion takes place
Term
Lingual tonsils
Definition
two mounds of lymph tissue at the back of the tongue
Term
Lipase
Definition
enzyme contained in pacreatic juice
Term
Liver
Definition
organ important in digestive and metabolic functions; secretes bile
Term
Liver scan
Definition
done after injection of radioactive material, can reveal abnormalities.
Term
Mastication
Definition
chewing
Term
Melena
Definition
old blood in stool
Term
Mesentery
Definition
membranous tissue that attaches small and large intestines to the muscular wall at the dorsal part of the abdomen
Term
Mouth
Definition
cavity in the face in which food and water is ingested
Term
MRI
Definition
Magnetic Resonance Imaging - shows the major organs of the digestive system
Term
Mucus
Definition
provides alkaline protective layers on the inside of the stomach wall
Term
NG tube
Definition
nasogastric tube - is passed through the nose to the stomach to relieve fluid buildup or to take stomach content samples for analysis
Term
Palatine tonsils
Definition
mounds of lymphatic tissue on either side of the pharynx
Term
Pancreas
Definition
digestive organ that secretes digestive fluids; endocrine gland that regulates blood sugar
Term
Parotitus
Definition
inflammation of the parotid gland
Term
Pepsin
Definition
digestive enzyme in gastric juice
Term
Peristalsis
Definition
coordinated, rhythmic contractions of smooth muscle that force food through the digestive tract
Term
Peritonitis
Definition
inflammation of the peritoneum
Term
Proctitus
Definition
inflammation of the rectum and anus
Term
Pylorus
Definition
narrowed bottom part of the stomach
Term
Rectum
Definition
bottom portion of large intestine; connected to anal canal
Term
Regurgitation
Definition
backward flow from the normal direction
Term
Rugae
Definition
folds in stomach lining; also, irregular ridges of mucous membrane on the hard palate
Term
SGOT
Definition
Serum Glutamic Oxaloacetic Transaminase - measures the enzyme levels in serum that has leaked from damaged liver cells
Term
SGPT
Definition
Serum Glutamic Pyruvic Transaminase- serum test for liver function
Term
Sialoadenitis
Definition
inflammation of the salivary glands
Term
Sigmoid colon
Definition
s-shaped part of the large intestine connecting at the bottom of the rectum
Term
Small intestine
Definition
twenty-foot long tube that continues the process of digestion started in the stomach; place where most absorption takes place
Term
Soft palate
Definition
soft posterior part of the palate in the mouth
Term
Steatorrhea
Definition
fat in the stool
Term
Stomach
Definition
large sac between the esophagus and small intestine; place where food is broken down
Term
Stool guaiac
Definition
chemical test of a stool specimen
Term
UGIS
Definition
upper GI Series - x-ray of the esophague, stomach & duodenum, usually after the patient swallows a barium solution or other contract medium
Term
Ulcerative colitis
Definition
inflammation of the colon with ulcers
Term
Ultrasound
Definition
provides images of the entire abdominal area
Term
Uvula
Definition
cone-shaped projection hanging down from the soft palate
Term
Volvulus
Definition
intestinal blockage caused by the intestine twisting on itself
Term
an(o)
Definition
anus
Term
append(o), appendic(o)
Definition
appendix
Term
bil(o), bili
Definition
bile
Term
bucc(o)
Definition
cheek
Term
cec(o)
Definition
cecum
Term
celi(o)
Definition
abdomen
Term
chol(e), cholo
Definition
bile
Term
cholangi(o)
Definition
bile vessel
Term
cholecyst(o)
Definition
gallbladder
Term
choledoch(o)
Definition
common bile duct
Term
col(o), colon(o)
Definition
colon
Term
duoden(o)
Definition
duodenum
Term
enter(o)
Definition
intestines
Term
esophag(o)
Definition
esophagus
Term
gastr(o)
Definition
stomach
Term
gloss(o)
Definition
tongue
Term
gluc(o)
Definition
glucose
Term
glyc(o)
Definition
sugar
Term
glycogen(o)
Definition
glycogen
Term
hepat(o)
Definition
liver
Term
ile(o)
Definition
ileum
Term
jejun(o)
Definition
jejunum
Term
labi(o)
Definition
lip
Term
lingu(o)
Definition
tongue
Term
or(o)
Definition
mouth
Term
pancreat(o)
Definition
pancreas
Term
periton(eo)
Definition
peritoneum
Term
pharyng(o)
Definition
pharynx
Term
proct(o)
Definition
anus, rectum
Term
pylor(o)
Definition
pylorus
Term
rect(o)
Definition
rectum
Term
sial(o)
Definition
saliva, salivary gland
Term
sialaden(o)
Definition
salivary gland
Term
sigmoid(o)
Definition
sigmoid colon
Term
steat(o)
Definition
fats
Term
stomat(o)
Definition
mouth
Term
Mechanical digestion
Definition
takes place in the mouth by chewing and in the stomach by churning actions
Term
Chemical digestion
Definition
takes place in the mouth by the addition of saliva and continues in the stomach with the addition of digestive juices to chemically break down the food into simpler elements
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