Severe Acute Respiratory Syndrome (SARS) Glossary of Terms

The following are health and medical definitions of terms that appear in the Severe Acute Respiratory Syndrome (SARS) article.

Acquired: Not inherited, or present at birth (congenital), but developing after birth. For...

See the entire definition of Acquired

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

See the entire definition of Acute

Acute respiratory distress syndrome: Respiratory failure of sudden onset due to fluid in t...

See the entire definition of Acute respiratory distress syndrome

Allergy: A misguided reaction to foreign substances by the immune system, the body system ...

See the entire definition of Allergy

Alveolar: Pertaining to the alveoli, the tiny air sacs in the lungs. The exchange of oxyge...

See the entire definition of Alveolar

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

See the entire definition of Alveoli

Anthrax: A serious bacterial infection caused by Bacillus anthracis that occurs primarily ...

See the entire definition of Anthrax

Antibody: An immunoglobulin, a specialized immune protein, produced because of the introdu...

See the entire definition of Antibody

Antigen: A substance that the immune system perceives as being foreign or dangerous. The b...

See the entire definition of Antigen

Antiviral: An agent that kills a virus or that suppresses its ability to replicate and, he...

See the entire definition of Antiviral

ARDS: Acute respiratory distress syndrome.

Avascular necrosis: A condition in which poor blood supply to an area of bone leads to bon...

See the entire definition of Avascular necrosis

Bacterial: Of or pertaining to bacteria, as in a bacterial lung infection.

Bird flu: See: Avian influenza.

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

See the entire definition of Breathing back to top

CDC: The Centers for Disease Control and Prevention, the US agency charged with tracking a...

See the entire definition of CDC

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

See the entire definition of Cell

Centers for Disease Control and Prevention: The US agency charged with tracking and invest...

See the entire definition of Centers for Disease Control and Prevention

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

See the entire definition of Chest

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

See the entire definition of Chronic

Coronavirus: One of a group of RNA viruses, so named because they look like a corona or ha...

See the entire definition of Coronavirus

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

See the entire definition of Cough

Critical care: The specialized care of patients whose conditions are life-threatening and ...

See the entire definition of Critical care

Cytokine: A small protein released by cells that has a specific effect on the interactions...

See the entire definition of Cytokine

Diabetes: Refers to diabetes mellitus or, less often, to diabetes insipidus. Diabetes mell...

See the entire definition of Diabetes

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

See the entire definition of Diagnosis

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

See the entire definition of Diarrhea

Ear: The hearing organ. There are three sections of the ear, according to the anatomy tex...

See the entire definition of Ear

Epidemic: The occurrence of more cases of a disease than would be expected in a community...

See the entire definition of Epidemic

Epidemiologist: A person engaged in epidemiology. Epidemiologists can be people with MD, P...

See the entire definition of Epidemiologist back to top

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

See the entire definition of Fatigue

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

See the entire definition of Fever

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

See the entire definition of Flu

Gastrointestinal: Adjective referring collectively to the stomach and small and large inte...

See the entire definition of Gastrointestinal

Gastrointestinal tract: The stomach and intestines. Abbreviated GI tract.

Gram stain: The Danish bacteriologist J.M.C. Gram (1853-1938) devised a method of staining...

See the entire definition of Gram stain

Headache: A pain in the head with the pain being above the eyes or the ears, behind the he...

See the entire definition of Headache

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

See the entire definition of Hepatitis

Hepatitis B: Inflammation of the liver due to the hepatitis B virus (HBV), once thought t...

See the entire definition of Hepatitis B

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

See the entire definition of Indicate

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

See the entire definition of Infection

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

See the entire definition of Influenza

Intensive care: See critical care.

Interferon: A naturally occurring substance that interferes with the ability of viruses t...

See the entire definition of Interferon

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

See the entire definition of Internal medicine back to top

Laboratory: A place for doing tests and research procedures, and for preparing chemicals a...

See the entire definition of Laboratory

Legionella: The bacterium that causes Legionnaires' disease.

Leukocytosis: A condition in which the number of white blood cells is higher than normal.

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

See the entire definition of Lungs

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

See the entire definition of Malaise

Mechanical ventilation: Use of a machine called a ventilator or respirator to improve the ...

See the entire definition of Mechanical ventilation

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

See the entire definition of Microscope

Mortality: A fatal outcome or, in one word, death. The word "mortality" is derived from "m...

See the entire definition of Mortality

Mortality rate: A death rate. There are a number of different types of mortality rates as,...

See the entire definition of Mortality rate

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

See the entire definition of Mouth

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

See the entire definition of Mucous

Muscle: Muscle is the tissue of the body which primarily functions as a source of power. T...

See the entire definition of Muscle

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

See the entire definition of Necrosis

Nitric oxide: A compound that is toxic but which, paradoxically, plays a number of importa...

See the entire definition of Nitric oxide

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

See the entire definition of Nose back to top

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

See the entire definition of Oxygen

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

See the entire definition of Pain

Pathologic: 1. Indicative of or caused by disease, as in a pathologic fracture, pat...

See the entire definition of Pathologic

Pathology: The study of disease. Pathology has been defined as "that branch of medicine...

See the entire definition of Pathology

Pharmacy: A location where prescription medications are sold. A pharmacy is constantly sup...

See the entire definition of Pharmacy

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

See the entire definition of Pneumonia

Probe: (1) In surgery, a probe is a slender flexible rod with a blunt end used to e...

See the entire definition of Probe

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

See the entire definition of Prognosis

Pulmonary: Having to do with the lungs.

Pulse: The rhythmic dilation of an artery that results from beating of the heart. Pulse is...

See the entire definition of Pulse

Respiratory: Having to do with respiration.

Respiratory failure: Inability of the lungs to perform their basic task of gas exchange, t...

See the entire definition of Respiratory failure

Respiratory syncytial virus: A virus that causes mild respiratory infections, colds, and c...

See the entire definition of Respiratory syncytial virus

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

See the entire definition of Risk factor

RSV: Although several standard medical dictionaries indicate only that RSV stands for Rous...

See the entire definition of RSV back to top

Rule out: Term used in medicine, meaning to eliminate or exclude something from considera...

See the entire definition of Rule out

Runny nose: The production of extra mucus by the nose. Rhinorrhea is the medical term for ...

See the entire definition of Runny nose

SARS: Severe acute respiratory syndrome. A severe form of pneumonia which appeared in outb...

See the entire definition of SARS

Severe acute respiratory syndrome: A severe form of pneumonia. Abbreviated SARS. A term ap...

See the entire definition of Severe acute respiratory syndrome

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

See the entire definition of Shortness of breath

Sneeze: 1. As a verb, to suddenly expel air through the nose and mouth by an involu...

See the entire definition of Sneeze

Sore: 1. (adjective) A popular term for painful, such as a sore throat. 2. (...

See the entire definition of Sore

Sore throat: Pain in the throat. Sore throat may be caused by many different causes, inclu...

See the entire definition of Sore throat

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

Supportive care: Treatment given to prevent, control, or relieve complications and side ef...

See the entire definition of Supportive care

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

See the entire definition of Symptom

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

Throat: The throat is the anterior (front) portion of the neck beginning at the back of th...

See the entire definition of Throat

Tiredness: See: Tired.

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

See the entire definition of Urinary back to top

Urine: Liquid waste produced by the kidneys. Urine is a clear, transparent fluid that norm...

See the entire definition of Urine

Ventilation: The exchange of air between the lungs and the atmosphere so that oxygen can ...

See the entire definition of Ventilation

Viral: Of or pertaining to a virus. For example, if a person has a viral rash, the rash wa...

See the entire definition of Viral

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

See the entire definition of Virus

Viruses: Small living particles that can infect cells and change how the cells function. I...

See the entire definition of Viruses

West Nile virus: The mosquito-borne virus that causes West Nile fever. One of the flavivi...

See the entire definition of West Nile virus

World Health Organization: The subagency of the United Nations (UN) that is concerned with...

See the entire definition of World Health Organization

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

See the entire definition of X-ray back to top







Medical Dictionary