Emphysema Glossary of Terms

The following are health and medical definitions of terms that appear in the Emphysema article.

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

Acute: Of abrupt onset, in reference to a disease. Acute often also connotes an illness th...

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Acute bronchitis: inflammation of the breathing tubes within the lungs (bronchial tubes or...

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Addiction: An uncontrollable craving, seeking, and use of a substance such as alcohol or a...

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Airway: The path that air follows to get into and out of the lungs. The mouth and nose are...

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Alveoli: The plural of alveolus. The alveoli are tiny air sacs within the lungs where the ...

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Alveolus: A tiny air sac in the lungs. Plural alveoli.

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

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Asthma: A common lung disorder in which inflammation causes the bronchi to swell and narro...

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

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Breathing: The process of respiration, during which air is inhaled into the lungs through ...

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Bronchitis: Inflammation and swelling of the bronchi. Bronchitis can be acute or chronic.

Capillaries: Capillaries are the smallest of blood vessels. They serve to distribute oxyge...

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Carbon dioxide: A gas which is the byproduct of cellular metabolism and which collects in ...

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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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Chest: The area of the body located between the neck and the abdomen. The chest contains t...

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Chest X-ray: A type of X-ray commonly used to detect abnormalities in the lungs. A chest X...

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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 obstructive pulmonary disease: COPD. Any disorder that persistently obstructs bron...

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Cilia: The fine hairlike projections from certain cells such as those in the respiratory t...

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COPD: Chronic obstructive pulmonary disease. Any disorder that persistently obstructs bron...

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

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Cyanosis: A bluish color of the skin and the mucous membranes due to insufficient oxygen i...

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

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Dysfunction: Difficult function or abnormal function.

Emergency department: The department of a hospital responsible for the provision of medica...

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Emphysema: 1) A lung condition featuring an abnormal accumulation of air in the lung's ma...

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Enzyme: A protein (or protein-based molecule) that speeds up a chemical reaction in a livi...

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Enzymes: Proteins that act as a catalysts in mediating and speeding a specific chemical re...

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Exacerbation: A worsening. In medicine, exacerbation may refer to an increase in the sever...

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Family history: The family structure and relationships within the family, including inform...

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Flu: Short for influenza. The flu is caused by viruses that infect the respiratory tract w...

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Genetic: Having to do with genes and genetic
information.

Genetic disease: A disease caused by an abnormality in an individual's genome.

Genetics: The scientific study of heredity. Genetics pertains to humans and all other orga...

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

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Heart disease: Any disorder that affects the heart. Sometimes the term "heart disease" is ...

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Heredity: The genetic transmission of characteristics from parent to child.

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

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

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Indicate: In medicine, to make a treatment or procedure advisable because of a particular ...

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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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Influenza: The flu is caused by viruses that infect the respiratory tract which are divide...

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Intubation: The process of putting a tube into a hollow organ or passageway, often into th...

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Lips: Aside from the lips of the mouth, there are two pairs of lips at the entrance to the...

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Lung transplant: The first lung transplant was done by the American surgeon James Ha...

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Lung volume reduction surgery: See: Lung reduction surgery.

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

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LVRS: Lung volume reduction surgery. See: Lung reduction surgery.

Metered-dose inhaler: Abbreviated MDI. A device that delivers a measured amount of medicat...

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Mucous: Pertaining to mucus, a thick fluid produced by the lining of some tissues of the b...

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

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

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Ounce: A measure of weight equal to 1/16th of a pound or, metrically, 28.35 gra...

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Oxygen: The odorless gas that is present in the air and necessary to maintain life. Oxygen...

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Pleural: Pertaining to the pleura, the thin covering that protects the lungs. The term "pl...

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Pneumonia: Inflammation of one or both lungs, with dense areas of lung inflammation. Pneum...

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Pound: A measure of weight that is equal to 16 ounces or, metrically, 453.6 grams. Abbrevi...

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Primary care: A patient's main source for regular medical care, ideally providing continui...

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Prognosis: The forecast of the probable outcome or course of a disease; the patient's chan...

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Progressive: Increasing in scope or severity, advancing, or going forward. For example, a ...

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Protease: An enzyme that can split a protein into the peptides from which it was originall...

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Proteins: Large molecules composed of one or more chains of amino acids in a specific orde...

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Pulmonary: Having to do with the lungs.

Quality of life: The patient's ability to enjoy normal life activities. Quality of life is...

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Rehabilitation: The process of helping a person who has suffered an illness or injury rest...

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Rejection: In transplantation biology, when the body's immune system attacks transplanted ...

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Respiratory: Having to do with respiration.

Risk factor: Something that increases a person's chances of developing a disease. For exam...

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Sensitivity: 1. In psychology, the quality of being sensitive. As, for example, sen...

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

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Sputum: Mucous material from the lungs that is produced (brought up) by coughing.

Stage: As regards cancer, the extent of a cancer, especially whether the disease has spre...

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

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

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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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Therapeutic: Relating to therapeutics, the branch of medicine that is concerned specifical...

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

Tongue: A strong muscle that is anchored to the floor of the mouth. The tongue is covered ...

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Transplant: The grafting of a tissue from one place to another, just as in botany a bu...

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

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Vaccines: Microbial preparations of killed or modified microorganisms that can stimulate a...

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

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Wheezing: A whistling noise in the chest during breathing. Wheezing occurs when the airway...

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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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White blood cell count (leukocyte count): The number of white blood cells (WBCs) in the b...

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Windpipe: The trachea, a tube-like portion of the respiratory (breathing) tract that conn...

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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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Medical Dictionary