Abdominal
Pertaining to the abdomen.
Abdominoplasty
Surgical repair of the abdomen.
Ampulla
A sac-like enlargement of a canal or duct.
Anal
Pertaining to the anus.
Appendectomy
Excision of the appendix.
Appendicitis
Acute inflammation of the appendix.
Ascites
Abnormal buildup of fluid in the abdomen that may cause swelling.
Bicarbonate
A by-product of the body’s metabolism.
Carbohydrates
Molecules composed of carbon, hydrogen, and oxygen. Carbohydrates are found in plant-based foods and dairy products and are an important fuel source.
Celiac
Pertaining to the abdomen.
Cholangioma
Tumor of the bile duct.
Cholangiography
Radiographic imaging of the bile duct.
Cholecystectomy
Excision of the gallbladder.
Cholecystitis
Inflammation of the gallbladder.
Choledocholithiasis
Condition of gallstones in the common bile duct.
Cholelithiasis
Condition of gallstones.
Cirrhosis
A type of chronic, progressive liver disease in which liver cells are replaced by scar tissue.
Colectomy
Excision of the colon.
Colitis
Inflammation of the colon.
Colonoscope
A thin, tube-like instrument used to examine the inside of the colon.
Colonoscopy
Examination of the inside of the colon using a colonoscope, inserted into the rectum.
Colorectal
Pertaining to the colon or rectum.
Colostomy
An opening into the colon from the outside of the body.
CT colonography
A method to examine the inside of the colon by taking a series of x-rays.
Distal
A position in a limb that is farther from the point of attachment or the trunk of the body.
Diverticulitis
Inflammation of one or more pouches or sacs that bulge out from the wall of a hollow organ, such as the colon.
Diverticulosis
A condition marked by small sacs or pouches in the walls of a hollow organ, such as the colon.
Dysentery
Acute inflammation of the intestine presenting with abdominal pain and bloody diarrhea.
Dysphagia
Difficulty swallowing.
Dyspepsia
Upset stomach.
Emesis
Vomiting.
Emulsification
The process of breaking down the fat into smaller blood cells, which makes it easy for enzymes to function and digest food.
Endoscope
A thin, tube-like instrument used to look at tissues inside the body.
Endoscopy
A procedure that uses an endoscope to examine the inside of the body.
Esophageal
Pertaining to the esophagus.
Esophagitis
Inflammation of the esophagus.
Esophagoscopy
Examination of the esophagus using an esophagoscope.
Exocrine gland
A gland whose secretions leave through a duct that opens directly, or indirectly, to the external environment.
Feces
Semisolid waste product of digestion.
Flatus
Gas in the intestine.
Fundus
The part of a hollow organ that is across from, or farthest away from, the organ’s opening.
Gastrectomy
Stomach removal.
Gastric
Pertaining to the stomach.
Gastritis
Inflammation of the lining of the stomach.
Gastroenteritis
Inflammation of the lining of the stomach and the intestines.
Gastroenterologist
A doctor who has special training in diagnosing and treating disorders of the digestive system.
Gastroenterology
A subspecialty of internal medicine concerned with the study of the physiology and diseases of the digestive system and related structures.
Gastrojejunostomy
A surgical procedure that connects part of the stomach to the jejunum.
Gastroplasty
Surgical repair of the stomach.
Gastroscope
A thin, tube-like instrument used to examine the inside of the stomach.
Gastroscopy
Examination of the inside of the stomach using a gastroscope passed through the mouth and esophagus.
Gastrostomy
Creation of an artificial opening in the stomach.
Gingivectomy
Excision of the gums.
Gingivitis
Inflammation of the gums.
Glossitis
Inflammation of the tongue.
Hemorrhoid
An enlarged or swollen blood vessel, usually located near the anus or the rectum.
Hepatitis
Disease of the liver causing inflammation.
Hepatoma
Tumor of the liver.
Hepatomegaly
Enlarged liver.
Herniorrhaphy
Suturing of a hernia.
Ileostomy
A procedure in which the ileum is brought through the abdominal wall.
Labia
Lips of the mouth.
Lacteals
The lymphatic vessels of the small intestine which absorb digested fats.
Laparoscope
A thin, tube-like instrument used to look at tissues and organs inside the abdomen.
Laparoscopy
A procedure that uses a laparoscope, inserted through the abdominal wall, to examine the inside of the abdomen.
Laparotomy
A surgical incision made in the wall of the abdomen.
Lingual tonsil
Lymphoid tissue located at the base of the tongue.
Lymphoid
Referring to lymphocytes or tissue in which lymphocytes develop.
Melena
Black, tarry feces containing blood.
Nasal cavity
The inside of your nose.
Nasogastric
Describes the passage from the nose to the stomach.
Nausea
A feeling of sickness or discomfort in the stomach that may come with an urge to vomit.
Obesity
A common, chronic disease marked by an abnormally high, unhealthy amount of body fat.
Omentum
A fold of the peritoneum (the thin tissue that lines the abdomen) that surrounds the stomach and other organs in the abdomen.
Oral
By or pertaining to the mouth.
Palatine tonsils
A pair of soft tissue masses located at the rear of the throat (pharynx).
Palpation
Examination by pressing on the surface of the body to feel the organs or tissues underneath.
Pancreatic
Pertaining to the pancreas.
Pancreatitis
Inflammation of the pancreas.
Peritoneal
Having to do with the parietal peritoneum (the tissue that lines the abdominal wall and pelvic cavity) and visceral peritoneum (the tissue that covers most of the organs in the abdomen, including the intestines).
Peritonitis
Inflammation of the peritoneum.
Polyp
A growth that protrudes from a mucous membrane.
Polypectomy
Excision of polyps.
Polyposis
The development of numerous polyps.
Proctoscope
A thin, tube-like instrument used to look inside the anus and rectum.
Proctoscopy
A procedure that uses a proctoscope to look inside the anus and rectum.
Proximal
A position in a limb that is nearer to the point of attachment or the trunk of the body.
Pyloric sphincter
A band of smooth muscle at the junction between the pylorus of the stomach and the duodenum of the small intestine.
Pyloromyotomy
Incision into the pyloric muscle (used to correct pyloric stenosis).
Rectal
By or pertaining to the rectum.
Rectocele
Herniation of the rectum into the vagina.
Reflux
The backward flow of liquid from the stomach into the esophagus.
Sialolith
Stone in the salivary gland.
Sigmoidoscopy
Examination of the lower colon using a sigmoidoscope, inserted into the rectum.
Steatorrhea
Condition characterized by chronic fatty diarrhea.
Stoma
A surgically-created opening from an area inside the body to the outside.
Stomatitis
Inflammation or irritation of the mucous membranes in the mouth.
Stratified squamous epithelium
Cells arranged in layers upon a basal membrane.