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Touro .Medical Terminology
Chapter 12: the Digestive System
187
Health Care
Graduate
08/05/2014

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Term
Ingestion
Definition
Taking food into the mouth
Term
Mechanical digestion
Definition
Grinding or mincing food with the teeth and mixing with saliva from the salivary glands.
Term
Peristalsis
Definition
Involuntary waves of smooth muscle contract that move materials through the GI tract.
Term
Digestion
Definition
Chemical breakdown of large molecules into small ones so that absorption can occur.
Term
Absorption
Definition
The movement of end products of digestion from the lumen of the digestive tract into the blood and lymph circulation so that they can be used by body cells.
Term
Egestion (defecation)
Definition
Elimination of undigested wastes and bacteria from the tract as feces.
Term
Esophagus
Definition
Transports food from pharynx (throat) to stomach by peristalsis.

Contains no digestive enzymes.
Term
Stomach
Definition
Primarily for food storage. Activity in the stomach forms chyme and propels it to the duodenum.

Secretes pepsin, hydrochloric acid, mucus, and intrinsic factor.

Gastric juices initiate digestion of protein and fat.
Term
Small intestine
Definition
Completes digestion that started int he mouth.

Absorbs products of digestion.

Moves undigested residue to large intestine via peristalsis.
Term
Pancreas
Definition
The large, elongated gland located behind the greater curvature of the stomach.

Contains endocrine adn exocrine glands.
Term
Liver
Definition
-Produces bile to emulsify fats.
-stores glycogen to maintain blood sugar levels.
-forms urea from excess amino acids and nitrogenous wastes

Term
Gallbladder
Definition
Concentrates and stores bile
Term
Large intestine
Definition
Absorbs 80-90% of water and electrolytes and reduces chyme to a semi-slid mass.

Produces no digestive enzymes or hormones

Bacteria present int he colon produce vitamin K, riboflavin, and thiamin.

Excretes waste and feces.
Term
Gastr/o
Definition
Stomach
Term
Abdomino/o, lapar/o, celi/o
Definition
Abdomen, belly
Term
Abdominocentesis
Definition
Refers to surgical puncture of the abdomen
Term
Laparascopy
Definition
Use of a scope to penetrate the abdomen wall to stufy the abdominal cavity
Term
Celiotomy
Definition
Refers to incision into the abdominal cavity.
Term
Proct/o
Definition
Anus, rectum
Term
Prostat/o
Definition
Prostate, prostate gland
Term
Prostatorrhea
Definition
Discharge from the prostate
Term
Mouth
Definition
Oral cavity forming the beginning of the digestive system
Term
Teeth
Definition
Structures of the jaws for biting and masticating
Term
Tongue
Definition
Chief organ of taste

Aids in mastication, swallowing and speech
Term
Salivary glands
Definition
Pertaiin to the saliva.

Glands in the outh that secrete saliva
Term
Pharynx
Definition
The throat
Term
Esophagus
Definition
Membranous passage extending from the pharynx to the stomach
Term
Stomach
Definition
The musculomembranous expansion of the digestive tract.

Between the esophagus and duadenum.
Term
Duodenum
Definition
The first portion of the small intestine
Term
Jejunum
Definition
Part of the small intestine from teh duodenum to the ileum.
Term
Ileum
Definition
Last portion of the small intestine.

Between the jejunum and cecum.
Term
Pancreas
Definition
A large, elongated gland situated behind the stomach.

Secretes digestive enzymes externally.

Secretes insulin and glucagon internally.
Term
Liver
Definition
Large gland in upper part of the abdomen on th right side.

Stoarge and filtration of blood, secretion of bile, conversion of sugars into glycogen.
Term
Gallbladder
Definition
The pear-shaped reservoir for bile, behind the lives

Stores and concentrates bile
Term
Cecum
Definition
The first part of teh large intestine

A dilated pouch
Term
Ascending colon
Definition
Porition of the colon from the cecum to the hepatic flexture.
Term
Transverse colon
Definition
Portion of the large intestine passing transversely across teh upper part of teh abdomen.

Between the hepatic and splenic flexure.
Term
Descending colon
Definition
Potion of the colon from the splenic flexure to the sigmoid colon.
Term
Sigmoid colon.
Definition
Potion of te large intestine between descending colon and rectum.
Term
Rectum
Definition
The last portion of the large intestine.
Term
Anus
Definition
Opening of the rectum on the body surface.
Term
Adhesion
Definition
Union of 2 surfaces normall separate.
Term
Alcoholism
Definition
Excessive consumption of alcoholic beverages, interfering with personal health and economy.
Term
Anorexia nervosa
Definition
Lack or loss of appetite for food

Pscyhological condition characterized by symptoms of undernutrition
Term
Appendicitis
Definition
Inflammation of the appendix, which may rupture
Term
Borborygmus
Definition
Audible abdominal sound produced by hyperactive intestinal peristalsis.
Term
Botulism
Definition
An extremely sever type of food poisoning caused by a neurotoxin (botulinum) produced by Clostridium botulinum.
Term
Carcinoma
Definition
A malignant tumor
Term
Celiac disease
Definition
Damage to the lining of the small intestine caused by inability to digest fluten found in wheat, resulting in malabsorption of nutrients and malnutrition, if untreated.
Term
Cholelithiasis
Definition
Gallstones
Term
Cirrhosis
Definition
Interstitial inflammatoion of an organ, particularly the liver.
Term
Cleft lip
Definition
Congenital fissure or split of the lip
Term
Cleft palate
Definition
Congenital fissure or split of the roof of the mouth
Term
Colitis (definition and 2 forms)
Definition
Inflammation of the colon.

2 forms (ulcerative or spastic)
Term
Cryptitis
Definition
Inflammation of a crypt, especially the anal crypt
Term
Diverticulitis
Definition
Inflammation of the diverticula, the pouches that form the walls of teh large intestine.
Term
Dysentery
Definition
Inflammation of the intestine
Term
Emaciation
Definition
Excessive leanness caused by diseaes or lack of nutrition
Term
Emesis
Definition
Material expelled from tehstomach during vomiting
Term
Esophageal atresia
Definition
Congential absence of the opening between esophagus and stomach.
Term
Esophageal varices
Definition
Enlarged, incompetent veins in teh distal esophagus
Term
Esophagitis
Definition
Inflammation of the esophagus
Term
Femoral
Definition
Hernia into the femoral canal
Term
Flexure
Definition
A bend or fold

I.e. hepatic flexure of the colon
Term
Gastric ulcers
Definition
Peptic or duodenal tissue inflammation of the stomach or intestinal linings.
Term
Gastritis
Definition
Inflammation of the stomach lining
Term
Gastroenteritis
Definition
Inflammatino fo the stomach and intestine caused by ingested harmful bacterial toxin.
Term
Gastroesophageal reflux disease (GERD)
Definition
Flow of gastric acid contents back up into the esophagus causing heartburn and, if chronic, esophagitis.
Term
Glossitis
Definition
Inflammation of the tongue
Term
Hepatitis
Definition
Inflammation of the liver.

Includes types A, B, C, D, and E.
Term
Hernia
Definition
Protrusion of a portion of an organ or tissue through an abnormal opening
Term
Hiatal
Definition
Protrusion of any structure through the esophageal hiatus of the diaphragm.
Term
Hirschsprung's disease
Definition
Congenital megacolon resulting from absence of autonomic ganglia in a segment of smooth muscle that normall stimulates peristalsis.
Term
Impaction (fecal)
Definition
Condition of being impacted.

A collectino of hardened feces int he rectum or sigmoid colon.
Term
Inguinal (clinical disorder)
Definition
Hernia into the inguinal canal (either direct or indirect)
Term
Intussusception
Definition
Prolapse of a part of the instestine into the lumen of an immediately adjacent part
Term
Irritable bowel syndrome (IBS) or spastic colon
Definition
Increased motility of the small or large intestine causing nausea, pain, anorexia, and trapping of gas throughout the intestinal tract.
Term
Melena
Definition
Abnormal black, tarry stool containing digested blood
Term
Nausea and vomiting
Definition
Common symptoms in many GI disorders
Term
Obesity
Definition
Body mass index of greater than or equal to 30
Term
Oral leukoplakia
Definition
Precancerous lesion in the mouth
Term
Pacreatitis
Definition
Inflammation of the peritoneal cavity
Term
Phenylketonuria (PKU)
Definition
A congential inability to metabolize phenylalanine, a component of protein.

May lead to retardatino.
Term
Polyposis
Definition
The formation of numerous polyps (growth hanging from a thin stalk)
Term
Pyloric stenosis
Definition
An obstruction of the pyloric orifice of the stomach, congenital or acquired.
Term
Rectocele
Definition
Hernia of the rectum through the vaginal floor
Term
Sialolith
Definition
Salivary duct stone
Term
Ulcers
Definition
A local defect of the surface of an organ or tissue
Term
Umbilical (clinical disorder)
Definition
Protrusion of the abdominal contents through the abdominal wall at the umbilicus.
Term
Anastomosis
Definition
Surgical formation of a connection between two parts.
Term
Appendectomy
Definition
Excision of the appendix
Term
Biopsy
Definition
Removal of tissue for microscopic diagnosis
Term
Bypass
Definition
A shunt.

A surgically created pathway.
Term
Cheiloplaty
Definition
Surigcal repair of a lip defect
Term
Cholecystectomy
Definition
Excision of the gallbladder
Term
Choledochoduodenostomy
Definition
Surigcal formation of an opening into the duodenum that connects it with the common bile duct.
Term
Colostomy
Definition
Surgical creatino of an opening (stoma) between the colon and the body surface.
Term
Gastrectomy
Definition
Excision of the stomach, may be partial or subtotal
Term
Herniaorrhaphy
Definition
Surgical repair of a hernia
Term
Ileostomy
Definition
Surgical creation of an opening into the ileum with a stoma on the abdominal wall
Term
Laparotomy
Definition
Incision through abny part of teh abdominal wall
Term
Portacaval
Definition
Connecting the portal vein and inferior vena cava to bypass a cirrhotic liver/.
Term
Stomach stapling (gastric bypass)
Definition
Part of the stomach stapled to permit passage of a small amount of food.

Used to treat gorss obesity.
Term
Vagotomy
Definition
Cutting the vagus nerve to reduce stomach stimulation.

Used to treat an ulcer.
Term
Barium swallow
Definition
Also called upper GI series.

The oral administration of a radiopaque contrast medium to view the esophagus by x-ray, while swallowing, to detect abnormalities.
Term
Biopsy
Definition
Removal and examination, usually microscopic, of tissue from the living body, performed for diagnosis.
Term
Blood tests or laboratory tests
Definition
Chemical analyses of various substances in the blood to make diagnoses.

I.E. Comprehensive Metabolic Panel
Term
Cholangiography
Definition
X-ray examination of the bile ducts, using a radiopaque dye as a contrast medium.
Term
Colonoscopy
Definition
Endoscopic examination of the colon
Term
Digital examination
Definition
Insertion of the gloved finger into the rectum or vagina.
Term
Esophagogastroduodenoscopy (EGD)
Definition
Using endoscopes to examine esophagus, stomach, and duodenum.
Term
Extracorporeal shock wave lithotripsy (ESWL)
Definition
One treatment optino for gallstones, using ultrasound to send shock waves to crush the gallstones, allowing contract of the gallbladder to remove stone fragments.
Term
Flat plate abdomen
Definition
An x-ray film of the abdomen
Term
Fluroscopy
Definition
Radiological technique to examine the function of an organ
Term
Gastrointestinal series (GIs)
Definition
An examination of the upper gastrointestinal tract using barium as the contrast medium for a series of x-ray films.

Also called a barium meal.
Term
Gastroscopy
Definition
Inspection of the stomach's interior with a gastroscope
Term
Magnetic resonance imaging (MRI)
Definition
Noninvasive scanning to visualize fluid and soft and bone tissue; very precise and accurate.
Term
Percutaneous transhepatic cholangiography (PTC)
Definition
A clinical method to examine the bile duct, using a needle to pass directly into the bile duct and inject a contrast medium that can be seen by specialized equipment.
Term
Proctoscopy
Definition
Inspection of the sigmoid and rectum with a proctoscope.
Term
Scan
Definition
An image produced using a moving detector or a sweeping beam of radiation.
Term
Serum glutamic oxalacetic transaminase (SGOT)
Definition
An enzyme in high concentration in liver cells.

High amouints in the blood indicate diasease of liver cells.
Term
Stool sample specimen
Definition
A small stool sample for laboratory study (i.e. occult blood, parasites).
Term
Ultrasonography
Definition
Using ultrasound to obtain a visual record of any organ.
Term
How many quadrants does the abdomen have? Name them
Definition
4. RUQ, LUQ, RLQ, LLQ
Term
How many divisions does the abdomen have? Name them.
Definition
9.

(From right to left columns)

-R hypochondriac, R Lumbar, R Ingiunal

-epigastric, umbilical, hypogastric

-L hypochondriac, L Lumbar, L inguinal
Term
Hypo-
Definition
Under, decreased, deficient, below
Term
Hyper-
Definition
Above, over, excess, increased, beyond.
Term
Hypoglossal
Definition
Under the tongue
Term
Hyperbilirubinemia
Definition
Excessive bilirubin in blood as a result of liver dysfunction or malfunction.
Term
Absorption
Definition
The uptake from the intestine of fluids, solkutes, proteins, fats, and other nutrients into the intestinal wall calles, blood, lymph, or body fluids.
Term
Anabolism
Definition
Building up, using nutrients (proteins) for growth and development.
Term
Catabolism
Definition
Burning nutrients; breakdown in the presence of oxygen.
Term
Deciduous
Definition
Primary (baby) teeth replaced by permanent
Term
Deglutition
Definition
The act of swallowing
Term
Digestion
Definition
The act of converting food and fluids into chemical substances that can be absorbed and assimilated.
Term
Elimination
Definition
Excreting solid waste (feces)
Term
Epiglottis
Definition
Thin leaf-shaped structure posterior to root of tongue.
Term
Eructation
Definition
Unique sound resulting from the body attempting to bring air from the stomach through the mouth.
Term
Excretion
Definition
Excreting body solid and liquid waste (feces and urine)
Term
Incisors
Definition
Front teeth used for biting, tearing.
Term
Ingestion
Definition
Taking food, liquids, drugs by mouth
Term
Mandible
Definition
Lower jaw
Term
Mastication
Definition
Chewing
Term
Maxilla
Definition
Upper jaw
Term
Molars
Definition
Crushing and grinding teeth
Term
Palate
Definition
Roof of the mouth
Term
Papillae
Definition
Small rough elevations on tongue and roof of mouth.

Contain taste buds
Term
Periodontal disease
Definition
Group of inflammatory gum disorders.
Term
Peristalsis
Definition
Muscular movement of food and liquid through the GI tract.
Term
Trachea
Definition
Wide, short tube, commonly called the windpipe.

Below the larynx and enters the thoracic cavity.
Term
Uvula
Definition
Small cone-shaped tissue hanging from soft palate of the mouth.
Term
Achalasia
Definition
Decreased motility of the lower two-thirds of the esophagus.

Constriction of the lower esophageal spincter (muscle between the esophagus and stomach).
Term
Anasarca
Definition
Generalized massive edema
Term
Ascites
Definition
Abnormal accumulation of (edematrous) fluid within the peritoneal cavity.
Term
Buccal
Definition
Pertaining to the cheek
Term
Cachexia
Definition
Severe malnutrition and wasting, emaciation
Term
Emaciation
Definition
abnormal thinness caused by lack of nutrition or by disease
Term
Dental caries
Definition
Tooth decay formed from microorganism maintained in the mouth.
Term
Enema
Definition
Introduction of fluid into the rectum to promote evacuation of feces or to administer nutrient or medicinal substances.
Term
Enteropathy
Definition
A disease of the intestine
Term
Enzyme
Definition
A protein produced in a cell.

Capable of facilitating a specific biologic or chemical reaction.
Term
Fistula
Definition
An abnormal passage between two internal organs, or leading to the body surface.
Term
Gamma globulins
Definition
Substances containing antibodies.

Provide passive immunity in some people against certain infectious diseases.
Term
Gavage
Definition
Forced feeding, especially through a tube passed into the stomach.
Term
Glossal
Definition
Pertaining to the tongue.
Term
Hyperalimentation
Definition
An intravenous feeding program similar to total parenteral nutrition.
Term
Alimentary
Definition
Concerned with the function of nutrition.
Term
Lavage
Definition
Washing out an organ.
Term
Lingual
Definition
Pertaining to the tongue.
Term
Nasogastric (ng)
Definition
A soft flexible tube introduced through the nose into the stomach for gavage, lavage, or suction.
Term
Nothing per os (NPO)
Definition
No food or fluid by mouth or other body orifice.
Term
Parotid
Definition
Near the ear
Term
Peritoneum
Definition
The peritoneal cavity.

Membrane lining abdominal walls and pelvis, body cavities, and surrounding the contained viscera.
Term
Oral cavity (alternative name)
Definition
Buccal cavity
Term
Rugae
Definition
A ridge or fold
Term
Stoma
Definition
Aritifically created opening (mouth) on the surface of the abdomen.
Term
Thursh
Definition
Fungal infection of the moiuth caused by Candida albicans.

Painful creamy white raised patches on the tongue and oral mucosa.
Term
Total parenteral nutrition
Definition
Intensive intravenous feeding most often introduced through a subclavian vein.
Term
Viscera
Definition
A large interior organ in a body cavity, especially the abdomen.
Term
Volvulus
Definition
Loop of bowel twisting on itself resulting in bowel obstruction.
Term
Diarrheal
Definition
Pertaining to diarrhea
Term
Antidiarrheal
Definition
Prevents or treats diarrhea
Term
Antiemetic
Definition
Prevents or relieves nasea and vomiting.
Term
Emetic
Definition
Pertaining to vomiting
Term
Antiulcer
Definition
Treats and prevents peptic ulcer and gastric hypersecretion.
Term
Ulcer
Definition
Pertaining to an open sore with inflammation.
Term
Anti-
Definition
Against
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