Crohn's Disease in Children and Teens Glossary of Terms

The following are health and medical definitions of terms that appear in the Crohn's Disease in Children and Teens article.

Abdomen: The belly, that part of the body that contains all of the structures between the...

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Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...

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Abdominal pain: Pain in the belly. Abdominal pain can be acute or chronic. It may reflect ...

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Abnormal: Outside the expected norm, or uncharacteristic of a particular patient.

Abscess: A local accumulation of pus anywhere in the body. The following are some example...

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Absorption: Uptake. For example, intestinal absorption is the uptake of food (or other sub...

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Anatomy: The study of human or animal form, by observation or examination of the living be...

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Anemia: The condition of having a lower-than-normal number of red blood cells or quantity ...

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Anus: The opening of the rectum to the outside of the body.

Arthritis: Inflammation of a joint. When joints are inflamed they can develop stiffness, w...

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Aspirin: Once the Bayer trademark for acetylsalicylic acid, now the common name for this a...

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Autoimmune: Pertaining to autoimmunity, a misdirected immune response that occurs when the...

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Autoimmune disease: An illness that occurs when the body tissues are attacked by its own i...

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Autoimmunity: A misdirected immune response that occurs when the immune system goes awry a...

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Bacteria: Single-celled microorganisms that can exist either as independent (free-living) ...

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Barium: 1. A metallic element belonging to the alkaline earths with an atomic numbe...

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Barium enema: An enema using a white, chalky solution containing barium, in preparation fo...

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Bile: Bile is a yellow-green fluid that is made by the liver, stored in the gallbladder a...

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Biopsy: The removal of a sample of tissue for examination under a microscope to check for ...

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Bladder: A hollow organ in the lower abdomen that stores urine. The kidneys filter waste f...

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Blood clots: Blood that has been converted from a liquid to a solid state. Also called a t...

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Bowel: The small and large intestine.

Bumps: The raised area of a bump or bruise results from blood leaking from these injured b...

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Cancer: An abnormal growth of cells which tend to proliferate in an uncontrolled way and, ...

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Cell: The basic structural and functional unit of any living thing. Each cell is a small c...

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Chronic: In medicine, lasting a long time. A chronic condition is one that lasts 3 months ...

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Chronic disease: A disease that persists for a long time. A chronic disease is one lasting...

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Colectomy: An operation to remove all or part of the colon (large intestine). In a partial...

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Colitis: Inflammation of the large intestine (the colon). There are many forms of coliti...

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Colon: The long, coiled, tubelike organ that removes water from digested food. The remaini...

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Colon cancer: A malignant tumor arising from the inner wall of the large intestine (the co...

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Colonoscopy: A procedure whereby a physician inserts a viewing tube (colonoscope) into the...

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Colostomy: An artificial exit from the colon created to divert waste through a hole in the...

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Complication: In medicine, an unanticipated problem that arises following, and is a result...

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Contrast: Short for "contrast media." Contrast media are X-ray dyes used to provide contra...

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Cough: A rapid expulsion of air from the lungs, typically in order to clear the lung airwa...

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Crohn's disease: A chronic inflammatory disease, primarily involving the small and large ...

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CT scan: Computerized tomography scan. Pictures of structures within the body created by a...

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Cure: 1. To heal, to make well, to restore to good health. 2. A time withou...

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Diagnosis: 1 The nature of a disease; the identification of an illness. 2 A ...

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Diarrhea: A common condition that involves unusually frequent and liquid bowel movements. ...

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Digestive system: The system of organs responsible for getting food into and out of the bo...

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Duct: A walled passageway, such as a lymph duct, that carries fluid from one place to anot...

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Duodenum: The first part of the small intestine. The duodenum is a common site for peptic ...

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Endoscope: A lighted optical instrument that is used to get a deep look inside the body. A...

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Endoscopic retrograde cholangiopancreatography: Abbreviated ERCP. A procedure done to diag...

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Endoscopy: Examination of the inside of the body by using a lighted, flexible instrument c...

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Enema: Liquid injected into the rectum. An enema may be used for therapeutic (such as to s...

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ERCP: Endoscopic retrograde cholangio-pancreatography, a diagnostic procedure used to exam...

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Erythema: Redness of the skin that results from capillary congestion. Erythema can occur w...

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Erythema nodosum: An inflammatory reaction that occurs deep in the skin and is characteriz...

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Fatigue: A condition characterized by a lessened capacity for work and reduced efficiency ...

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Fever: Although a fever technically is any body temperature above the normal of 98.6 degr...

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Fistula: An abnormal passageway in the body. The fistula may go from the body surface int...

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Flare: 1. an exacerbation of a chronic disease. Sometimes referred to as a flare-up, a fla...

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Gallbladder: A pear-shaped organ located below the liver that stores the bile secreted by ...

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Gallstones: Stones that form when substances in the bile harden. Gallstones can be as smal...

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Gastroenteritis: Inflammation of the stomach and the intestines. Gastroenteritis can cause...

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Gastroenterologist: A physician who specializes in the diagnosis and treatment of diseases...

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Gastroenterology: The medical specialty devoted to the study, diagnosis and treatment of d...

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Gastrostomy: A surgical opening into the stomach. A gastrostomy may be used for feeding, u...

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Gene: The basic biological unit of heredity. A segment of deoxyribonucleic acid (DNA) need...

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Genes: The basic biological units of heredity. Segments of deoxyribonucleic acid (DNA) nee...

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Heart: The muscle that pumps blood received from veins into arteries throughout the body. ...

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Hemorrhage: Bleeding or the abnormal flow of blood.

Hepatitis: Inflammation of the liver, irrespective of the cause. Hepatitis is caused by a ...

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Ileostomy: An opening into the ileum, part of the small intestine, from the outside of the...

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Ileum: Part of the small intestine beyond the jejunum and before the large intestine (colo...

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Immune: Protected against infection, usually by the presence of antibodies.

Immune response: Any reaction by the immune system. For example, poison ivy can cause an i...

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Immune system: A complex system that is responsible for distinguishing a person from every...

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Infection: The invasion and multiplication of microorganisms such as bacteria, viruses, an...

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Inflammation: A localized reaction that produces redness, warmth, swelling, and pain as a ...

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Inflammatory bowel disease: A group of chronic intestinal diseases characterized by infla...

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Internal medicine: The medical specialty dedicated to the diagnosis and medical treatment ...

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Intestine: The long, tubelike organ in the abdomen that completes the process of digestion...

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Iron: An essential mineral. Iron is necessary for the transport of oxygen (via hemoglobin ...

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Jejunum: Part of the small intestine. It is half-way down the small intestine between its...

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Joint: The area where two bones are attached for the purpose of permitting body parts to m...

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Lab test: A test that is done in the laboratory where the appropriate equipment, supplies,...

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Large intestine: Comes after the small intestine. Large because it is wider than the smal...

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Liver: The largest solid organ in the body, situated in the upper part of the abdomen on t...

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Lungs: The lungs are a pair of breathing organs located with the chest which remove carbon...

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Malabsorption: Poor intestinal absorption of nutrients. Malabsorption can occur from disea...

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Malaise: A vague feeling of discomfort, one that cannot be pinned down but is often sensed...

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Mercaptopurine: A drug that acts as an antimetabolite, interfering with the metabolism of ...

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Microscope: An optical instrument that augments the power of the eye to see small objects....

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Mouth: 1. The upper opening of the digestive tract, beginning with the lips and con...

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MRI: Magnetic resonance imaging.

Mucus: A thick fluid that is produced by the lining of some organs of the body.

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Nasogastric: Referring to the passage from the nose to the stomach. Abbreviated NG.

Nasogastric tube: A tube that is passed through the nose and down through the nasopharynx ...

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Nausea: Stomach queasiness, the urge to vomit. Nausea can be brought on by many causes, in...

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Necrosis: The death of living cells or tissues. Necrosis can be due, for example, to ische...

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NG tube: See: Nasogastric tube.

Nose: The external midline projection from the face. The purpose of the nose is to warm, c...

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Nutrition: 1) The science or practice of taking in and utilizing foods. 2) A nourishing ...

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Nutritionist: 1) In a hospital or nursing home, a person who plans and/or formulates spe...

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Obstruction: Blockage of a passageway. See, for example: Airway obstruction; Intestinal o...

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Onset: In medicine, the first appearance of the signs or symptoms of an illness as, for ex...

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Operation: In medicine, a surgical procedure. Many operations are named after persons. The...

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Organ: A relatively independent part of the body that carries out one or more special func...

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Osteoporosis: Thinning of the bones, with reduction in bone mass, due to depletion of calc...

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Ostomy: An operation to create an opening from an area inside the body to the outside.

Outpatient: A patient who is not hospitalized, but instead comes to a physician?s office, ...

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Pain: An unpleasant sensation that can range from mild, localized discomfort to agony. Pa...

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Pancreas: A spongy, tube-shaped organ that is about 6 inches long and is located in the ba...

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Parenteral: Not delivered via the intestinal tract. For example, parenteral nutrition is f...

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Pathologist: A physician who identifies diseases and conditions by studying abnormal cells...

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Pediatric: Pertaining to children.

Pediatrics: The field of medicine that is concerned with the health of infants, children, ...

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Physical growth: See: Normal growth.

Puberty: Adolescence, the period in which the human body first becomes capable of reproduc...

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Pus: A thick, whitish-yellow fluid that results from the accumulation of white blood cells...

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Rectal bleeding: Blood passed rectally. Blood in the stool can be bright red or maroon in ...

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Rectum: The last 6 to 8 inches of the large intestine. The rectum stores solid waste until...

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Red blood cell: The blood cell that carries oxygen. Red cells contain hemoglobin and it is...

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Red blood cells: The blood cells that carry oxygen. Red cells contain hemoglobin and it is...

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Regimen: A plan or a regulated course, such as a diet, exercise, or treatment, that is des...

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Remission: Disappearance of the signs and symptoms of cancer or other disease. A remission...

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Resection: Surgical removal of part of an organ.

Scan: As a noun, the data or image obtained from the examination of organs or regions of...

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Shortness of breath: Difficulty in breathing. Medically referred to as dyspnea. Shortness ...

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Small bowel: Another name for the small intestine.

Small intestine: The part of the digestive tract that extends from the stomach to the larg...

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Spine: 1) The column of bone known as the vertebral column, which surrounds and protects ...

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Staging: stagingDoing exams and tests to learn the extent of a cancer, especially whether ...

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Steroid: One of a large group of chemical substances classified by a specific carbon struc...

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Stoma: An opening into the body from the outside that is created by a surgeon.

Stomach: The digestive organ that is located in the upper abdomen, under the ribs. The upp...

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Stool: The solid matter that is discharged in a bowel movement.

Stress: In a medical or biological context stress is a physical, mental, or emotional fact...

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Substance: 1. Material with particular features.
2. The material that...

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Superficial: In anatomy, on the surface or shallow. As opposed to deep. The skin is superf...

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Surgery: The branch of medicine that employs operations in the treatment of disease or inj...

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Symptom: Any subjective evidence of disease. In contrast, a sign is objective. Blood comin...

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Syndrome: A combination of symptoms and signs that together represent a disease process.

Terminal ileitis: Crohn's disease, a chronic inflammatory disease of the intestine involvi...

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Therapy: The treatment of disease. Therapy is synonymous with treatment.

Tired: A feeling of a lessened capacity for work and reduced efficiency of accomplishment,...

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Tumor: An abnormal mass of tissue. Tumors are a classic sign of inflammation, and can be ...

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Tumor necrosis factor: One of multiple proteins capable of inducing necrosis (death) of tu...

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Ulcer: A lesion that is eroding away the skin or mucous membrane. Ulcers can have various ...

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Ulcerative colitis: A bowel disease that is characterized by inflammation with ulcer forma...

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Ultrasound: High-frequency sound waves. Ultra-sound waves can be bounced off tissues by us...

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Upper GI series: A series of x-rays of the esophagus, stomach, and small intestine (upper ...

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Urinary: Having to do with the function or anatomy of the kidneys, ureters, bladder, or ur...

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Urinary tract: The organs of the body that produce, store, and discharge urine. These orga...

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Vein: A blood vessel that carries blood that is low in oxygen content from the body back t...

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Virus: A microorganism that is smaller than a bacterium that cannot grow or reproduce apar...

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Vitamins: The word "vitamin" was coined in 1911 by the Warsaw-born biochemist Casimir Funk...

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Weight loss: Weight loss is a decrease in body weight resulting from either voluntary (die...

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White blood cell: One of the cells the body makes to help fight infections. There are seve...

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X-ray: High-energy radiation with waves shorter than those of visible light. X-ray is used...

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Youth: The time between childhood and maturity.

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Medical Dictionary