Medical Terminology : Digestive System

The opening in the face where food enters the body, containing the teeth and tongue, and responsible for the initial stages of digestion.

The dentist examined the patient’s mouth for any signs of cavities or gum disease.

Hard, calcified structures in the mouth used for biting and chewing food.

She had to visit the orthodontist to correct the alignment of her teeth.

A muscular organ in the mouth that aids in tasting, swallowing, and speaking.

The doctor asked the patient to stick out their tongue for examination.

Glands in the mouth that produce saliva to aid in digestion and keep the mouth moist.

The salivary glands help break down food as it is chewed.

The muscular tube that connects the mouth and nasal passages to the esophagus and larynx, playing a role in swallowing and respiration.

The doctor examined the patient’s pharynx for signs of infection.

The muscular tube that connects the throat (pharynx) to the stomach, transporting food during swallowing.

The food travels down the esophagus before reaching the stomach.

A ring of muscle at the junction of the esophagus and stomach that prevents the backflow of stomach contents.

The lower esophageal sphincter helps maintain a one-way flow of food into the stomach.

A hollow organ that holds food while it is mixed with stomach enzymes and acids for digestion.

The patient reported pain in the area of the stomach after eating.

A digestive fluid secreted by the stomach lining, containing hydrochloric acid and enzymes.

Gastric juice helps break down proteins during digestion.

Folds in the lining of the stomach that allow it to expand and increase surface area for digestion.

The rugae of the stomach enable it to stretch when filled with food.

The muscle that controls the passage of partially digested food from the stomach to the small intestine.

The pyloric sphincter regulates the flow of chyme into the duodenum.

The long, coiled tube where most digestion and absorption of nutrients occurs, consisting of the duodenum, jejunum, and ileum.

Most nutrients are absorbed in the small intestine.

The first section of the small intestine, where the majority of chemical digestion occurs.

Bile and pancreatic juices enter the duodenum to aid digestion.

The middle section of the small intestine, involved in the absorption of nutrients and water.

The jejunum is responsible for absorbing most of the carbohydrates and proteins.

The final section of the small intestine, where the absorption of nutrients and bile salts occurs before reaching the large intestine.

The ileum connects to the cecum of the large intestine.

Tiny, finger-like projections lining the small intestine that increase surface area for nutrient absorption.

Villi help maximize nutrient absorption in the small intestine.

Even smaller projections on the surface of villi in the small intestine that further increase surface area for absorption.

The microvilli enhance the absorptive capacity of the intestinal lining.

The part of the digestive system that absorbs water and electrolytes from indigestible food residues and compacts waste into feces.

The large intestine plays a crucial role in water absorption and waste formation.

The pouch at the beginning of the large intestine, which receives material from the ileum.

The cecum is the first part of the large intestine.

A small, tube-like structure attached to the cecum, whose function is not fully understood but may play a role in gut immunity.

The patient had their appendix removed due to appendicitis.

The longest part of the large intestine, responsible for water and electrolyte absorption and the formation of feces.

The colon is divided into several sections, including the ascending and descending colon.

The final section of the large intestine that stores feces until they are expelled from the body.

The doctor examined the rectum for any abnormalities.

The opening at the end of the digestive tract through which feces are expelled from the body.

The anus is surrounded by sphincter muscles that control bowel movements.

A large organ that processes nutrients, detoxifies harmful substances, and produces bile for digestion.

The liver plays a vital role in metabolism and detoxification.

A digestive fluid produced by the liver and stored in the gallbladder, essential for the digestion and absorption of fats.

Bile is released into the small intestine to help digest fats.

A small organ that stores and concentrates bile produced by the liver until it is needed for digestion.

The gallbladder releases bile when fatty foods enter the small intestine.

An organ that produces digestive enzymes and hormones, including insulin, which regulates blood sugar levels.

The pancreas secretes enzymes that help digest proteins, fats, and carbohydrates.

A serous membrane lining the abdominal cavity and covering the abdominal organs, providing support and protection.

The peritoneum helps anchor the organs in place within the abdominal cavity.

A fold of tissue that attaches the intestines to the abdominal wall and contains blood vessels, nerves, and lymphatics.

The mesentery supports the small intestine and carries blood vessels.

The process by which food is broken down into smaller components for absorption and use by the body.

Digestion begins in the mouth and continues in the stomach and intestines.

The process by which nutrients from digested food are taken up into the bloodstream from the digestive tract.

Nutrient absorption primarily occurs in the small intestine.

The rhythmic contraction of muscles in the digestive tract that moves food along the digestive system.

Peristalsis helps propel food from the esophagus to the stomach.

Biological catalysts that speed up chemical reactions in the body, including those involved in digestion.

Digestive enzymes break down carbohydrates, proteins, and fats.

An enzyme that catalyzes the breakdown of starch into sugars, starting the process of carbohydrate digestion.

Amylase is found in saliva and begins the digestion of carbohydrates in the mouth.

An enzyme that breaks down proteins into smaller peptides or amino acids during digestion.

Protease enzymes are secreted by the stomach and pancreas.

An enzyme that catalyzes the breakdown of fats into fatty acids and glycerol, facilitating fat digestion.

Lipase is produced by the pancreas and acts in the small intestine.

A strong acid produced by the stomach that aids in digestion and helps kill harmful bacteria.

Hydrochloric acid is essential for creating an acidic environment in the stomach.

An enzyme in the stomach that breaks down proteins into smaller peptides, functioning best in acidic conditions.

Pepsin is activated by hydrochloric acid in the stomach.

A semi-liquid mixture of partially digested food and digestive juices that moves from the stomach to the small intestine.

The chyme is formed in the stomach before entering the duodenum.

The innermost layer of the gastrointestinal tract, which secretes mucus and aids in absorption and protection.

The mucosa of the intestines is important for nutrient absorption.

The layer of connective tissue beneath the mucosa that contains blood vessels, nerves, and glands.

The submucosa provides support and nourishment to the mucosa.

The outermost layer of the gastrointestinal tract, providing protection and structural support to the digestive organs.

The serosa helps anchor the intestines within the abdominal cavity.

The movement of the digestive tract that facilitates the passage of food and waste through the system.

Motility is crucial for effective digestion and absorption of nutrients.

The process by which substances, such as enzymes and hormones, are produced and released by glands in the digestive system.

Secretion of digestive enzymes occurs in the stomach and pancreas.

The process of expelling waste material (feces) from the digestive tract through the anus.

Defecation is an important bodily function for eliminating waste.

A chronic condition where stomach acid flows back into the esophagus, leading to symptoms like heartburn and regurgitation.

The patient was diagnosed with gastroesophageal reflux disease (GERD) after reporting frequent heartburn.

A sore that develops on the lining of the stomach, small intestine, or esophagus due to erosion from stomach acid.

The doctor confirmed that the pain was due to a peptic ulcer in the stomach.

Inflammation of the stomach lining, which can cause abdominal pain, nausea, and vomiting.

The patient was treated for gastritis after experiencing severe stomach discomfort.

A common disorder affecting the large intestine, characterized by symptoms like cramping, abdominal pain, bloating, gas, diarrhea, and constipation.

After several tests, the doctor diagnosed her with irritable bowel syndrome (IBS).

A term mainly used to describe two chronic conditions, Crohn's disease and ulcerative colitis, that cause inflammation of the digestive tract.

He was admitted to the hospital for complications related to inflammatory bowel disease (IBD).

A type of inflammatory bowel disease that can affect any part of the gastrointestinal tract, causing symptoms like abdominal pain and severe diarrhea.

Her diagnosis of Crohn’s disease required ongoing management and treatment.

A chronic inflammatory condition that causes ulcers in the lining of the colon and rectum, leading to symptoms like diarrhea and abdominal pain.

The doctor explained that ulcerative colitis primarily affects the colon.

A condition characterized by infrequent bowel movements or difficult passage of stools, often causing discomfort.

She was advised to increase her fiber intake to alleviate her constipation.

A condition involving frequent, loose, or watery bowel movements, which can lead to dehydration if persistent.

The patient reported that he experienced diarrhea after eating contaminated food.

A condition characterized by the presence of small pouches (diverticula) that form in the walls of the colon, often without symptoms.

During a routine exam, she was found to have diverticulosis but no complications.

An inflammation or infection of the diverticula in the colon, which can cause abdominal pain, fever, and changes in bowel habits.

His severe abdominal pain was diagnosed as diverticulitis.

Swollen veins in the lower rectum and anus that can cause discomfort, pain, and bleeding during bowel movements.

She sought treatment for her painful hemorrhoids.

An autoimmune disorder where ingestion of gluten leads to damage in the small intestine, causing symptoms like diarrhea and malabsorption.

After several tests, he was diagnosed with celiac disease and advised to follow a strict gluten-free diet.

Solid particles that form from bile cholesterol and bilirubin in the gallbladder, potentially causing pain and digestive issues.

She underwent surgery to remove her gallstones after experiencing severe abdominal pain.

Inflammation of the gallbladder, typically caused by a blockage from gallstones, leading to pain and nausea.

His symptoms were consistent with cholecystitis, prompting a cholecystectomy.

Inflammation of the pancreas that can be acute or chronic, causing abdominal pain, nausea, and digestive problems.

The doctor diagnosed her with pancreatitis after evaluating her symptoms.

Inflammation of the liver, often caused by viral infections, alcohol use, or toxins, leading to liver dysfunction.

He was treated for hepatitis after testing positive for the virus.

A late-stage scarring of the liver caused by many forms of liver diseases and conditions, leading to liver failure.

Her chronic alcohol use led to liver cirrhosis, requiring extensive medical care.

A condition characterized by yellowing of the skin and eyes due to an accumulation of bilirubin, often indicating liver problems.

The patient presented with jaundice, prompting further liver function tests.

The inability to digest lactose, a sugar found in milk and dairy products, leading to gastrointestinal symptoms like bloating and diarrhea.

She realized she had lactose intolerance after consuming ice cream and feeling unwell.

Cancer that begins in the colon or rectum, often presenting with symptoms like changes in bowel habits, blood in stool, or unexplained weight loss.

Routine screening helped detect her colorectal cancer at an early stage.

An inflammation of the appendix, often causing severe abdominal pain, nausea, and fever, requiring surgical removal.

He was rushed to surgery for appendicitis after experiencing acute pain.

A small tear in the lining of the anus, often causing pain and bleeding during bowel movements.

The patient was diagnosed with an anal fissure after reporting painful bowel movements.

A condition where an organ pushes through an opening in the muscle or tissue that holds it in place, often requiring surgical repair.

The surgeon recommended surgery to correct her hernia.

A medical procedure that uses an endoscope to visualize the interior of a hollow organ or cavity in the body.

The doctor scheduled an endoscopy to examine her gastrointestinal tract.

A type of endoscopy specifically used to examine the upper gastrointestinal tract, including the esophagus and stomach.

She underwent a gastroscopy to investigate her persistent stomach pain.

A procedure that allows the doctor to examine the inner lining of the large intestine (colon) using a flexible tube with a camera.

He scheduled a colonoscopy as part of his routine screening.

An examination of the sigmoid colon and rectum using a flexible tube, typically used to investigate bowel symptoms.

The doctor performed a sigmoidoscopy to assess her lower gastrointestinal symptoms.

A procedure that involves swallowing a small, pill-sized camera that takes pictures of the digestive tract as it passes through.

She underwent capsule endoscopy to visualize areas of the small intestine that are difficult to reach.

A medical procedure that involves taking a small sample of tissue for examination to diagnose disease or condition.

The doctor recommended a biopsy to confirm the presence of cancerous cells.

A diagnostic test where a patient swallows a barium solution to visualize the esophagus and stomach using X-rays.

The barium swallow test showed no abnormalities in her esophagus.

A series of X-rays of the upper gastrointestinal tract, including the esophagus, stomach, and duodenum, often following a barium swallow.

The upper GI series revealed inflammation in her stomach lining.

A diagnostic imaging test that uses barium to visualize the lower gastrointestinal tract, specifically the colon and rectum, via an enema.

She had a lower GI series (barium enema) to investigate her bowel symptoms.

A non-invasive imaging technique that uses sound waves to create images of the organs in the abdomen.

The abdominal ultrasound helped identify the source of her pain.

An imaging method that uses X-rays to create detailed cross-sectional images of the body, often used for diagnosing diseases.

The doctor ordered a CT scan (computed tomography) to evaluate the extent of the injury.

A medical imaging technique that uses strong magnets and radio waves to create detailed images of organs and tissues inside the body.

She underwent an MRI (magnetic resonance imaging) to assess her brain.

A series of blood tests that measure various enzymes, proteins, and substances produced by the liver to assess its health and function.

The liver function tests (LFTs) indicated elevated enzyme levels, suggesting liver damage.

A diagnostic test that analyzes a sample of stool to detect digestive disorders, infections, or other health issues.

The doctor recommended a stool test to check for parasites.

A test used to check for hidden (occult) blood in the stool, which can indicate gastrointestinal bleeding or cancer.

He underwent a fecal occult blood test (FOBT) as part of his routine screening.

A diagnostic test used to detect the presence of Helicobacter pylori bacteria in the stomach, which can cause ulcers and gastritis.

The H. pylori test confirmed the presence of the bacteria in her stomach.

Over-the-counter medications that neutralize stomach acid to relieve heartburn and indigestion.

He took antacids to alleviate his acid reflux symptoms.

A class of medications that reduce stomach acid production, used to treat conditions like GERD and peptic ulcers.

The doctor prescribed proton pump inhibitors (PPIs) to manage her acid reflux.

Medications that reduce stomach acid production by blocking histamine, used to treat conditions like GERD and ulcers.

She was advised to take H2 blockers to control her heartburn.

Medications used to treat bacterial infections by killing or inhibiting the growth of bacteria.

The doctor prescribed antibiotics to treat her bacterial infection.

Medications or substances that promote bowel movements to relieve constipation.

He took laxatives to help relieve his constipation.

Medications used to reduce diarrhea by slowing down bowel movements or increasing stool consistency.

She took anti-diarrheal agents to manage her symptoms during the trip.

A procedure that involves introducing liquid into the rectum to induce bowel movements or deliver medication.

The doctor recommended enemas to relieve her constipation.

A method of providing nutrition intravenously, bypassing the digestive system, used for patients who cannot eat normally.

Due to his condition, he required parenteral nutrition for several weeks.

A thin tube inserted through the nose into the stomach, used for feeding, medication administration, or draining stomach contents.

The patient had a nasogastric (NG) tube placed to provide nutrition.

A tube surgically inserted through the abdominal wall into the stomach for feeding patients who cannot consume food orally.

She received a gastrostomy tube (G-tube) for long-term nutritional support.

Surgical removal of the gallbladder, often performed to treat gallstones or cholecystitis.

He underwent a cholecystectomy after suffering from recurrent gallbladder attacks.

Surgical removal of the appendix, typically performed to treat appendicitis.

The doctor recommended an appendectomy to resolve her appendicitis.

A surgical procedure to correct a hernia by returning the protruding tissue to its proper place and repairing the surrounding muscle.

He scheduled a hernia repair surgery after experiencing discomfort.

Surgical removal of a portion of the intestine, often performed to treat conditions like cancer or severe inflammatory bowel disease.

The surgeon recommended a bowel resection due to the extensive damage from Crohn's disease.

A surgical procedure to replace a diseased liver with a healthy liver from a donor, performed for end-stage liver disease.

After years of treatment, she finally received a liver transplant.