Lyme Disease Glossary of Terms

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

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

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

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Antibiotic: A drug used to treat bacterial infections. Antibiotics have no effect on viral...

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Antiseptic: Something that discourages the growth microorganisms. By contrast, aseptic ref...

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Arms: An appendage in anatomy and in clinical trials. See: Arm.

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

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Babesiosis: An illness caused by the parasite Babesia which is transmitted from ani...

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

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

Bacterium: The singular of bacteria.

Borrelia: A group of bacteria that are helical spirochetes of the genus Borrelia. Some spe...

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Borrelia burgdorferi: The spirochete (a type of bacteria) that causes Lyme disease. Named ...

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Brain: The portion of the central nervous system that is located within the skull. It func...

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Brain swelling: See: Cerebral edema.

Carditis: Inflammation of the heart.

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

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

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

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Contagious: capable of being transmitted from one human to another human via direct or ind...

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Curable: Amenable to a cure, capable of being cured, to being healed and made well. From ...

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Dementia: Significant loss of intellectual abilities, such as memory capacity, that is sev...

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

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Dizziness: Painless head discomfort with many possible causes including disturbances of ...

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Doxycycline: Brand name: Vibramycin. A synthetic broad-spectrum antibiotic derived from te...

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ECG: Electrocardiogram.

Ehrlichiosis: An acute (abrupt onset) disease, first reported in humans in 1986, due to in...

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ELISA: Enzyme-linked immunosorbent assay, a rapid immunochemical test that involves an enz...

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

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Encephalitis: Inflammation of the brain, which may be caused by a bacterium, a virus, or a...

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Endemic: A characteristic of a particular population, environment, or region. Examples of ...

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Enzyme: Proteins that speeds up the rate of a chemical reaction in a living organism. An e...

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

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Erythromycin: Erythromycin is a common antibiotic for treating bacterial infection. Sold...

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Facial nerve: The facial nerve is the seventh cranial nerve. It is a mixed nerve that has...

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

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Fetus: An unborn offspring, from the embryo stage (the end of the eighth week after concep...

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Fever: Although a fever technically is any body temperature above the normal of 98.6 F (37...

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Flu: Flu is a colloquialism for influenza. The flu is an acute respiratory illness caused ...

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Groin: The area where the thigh meets the hip.

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

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

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Herbal: 1. An adjective, referring to herbs, as in an herbal tea.
2. A...

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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: Influenza is an acute respiratory illness caused by influenza A or B viruses Mo...

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Insecticide: A chemical used specifically to kill or control the growth of insects. Certa...

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Insomnia: The perception or complaint of inadequate or poor-quality sleep due to a number ...

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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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Knee: The knee is a joint which has three parts. The thigh bone (the femur) meets the lar...

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

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Lesion: An area of abnormal tissue change. Lesions vary in severity from harmless to serio...

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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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Lyme disease: An inflammatory disease that is caused by the bacterium Borrelia burgdorferi...

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Marker: A piece of DNA that lies on a chromosome so close to a gene that the marker and t...

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Meningitis: Inflammation of the meninges, the three membranes that envelop the brain and t...

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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.

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

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Neck: The part of the body joining the head to the shoulders. Also, any narrow or constric...

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Nerve: A bundle of fibers that uses electrical and chemical signals to transmit sensory an...

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Neurological: Having to do with the nerves or the nervous system as, for example, a neurol...

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Organic: 1. A chemical compound that contains carbon.
2. Related to a...

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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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Palpitations: Unpleasant sensations of irregular and/or forceful beating of the heart. In ...

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Palsy: Paralysis, generally partial, whereby a local body area is incapable of voluntary m...

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Paralysis: Loss of voluntary movement (motor function). Paralysis that affects only one mu...

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Placenta: A temporary organ that joins the mother and fetus, transferring oxygen and nutri...

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Pregnancy: The state of carrying a developing embryo or fetus within the female body. Thi...

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Pregnant: The state of carrying a developing fetus within the body.

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

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Rash: Breaking out (eruption) of the skin. A rash can be caused by an underlying medical c...

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Recur: To occur again; to return. For example, a symptom, sign, or disease can recur.

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

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Residual: Something left behind. With residual disease, the disease has not been eradicate...

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

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

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

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Sleep: The body's rest cycle.

Spinal tap: Also known as a lumbar puncture or "LP", a spinal tap is a procedure whereby ...

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Spotted fever: Also known as Rocky Mountain spotted fever. An acute febrile (feverish) dis...

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

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Stillbirth: The birth of a dead baby, the delivery of a fetus that has died before birth f...

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Symptomatic: 1 With symptoms, as a symptomatic infection. 2 Characteristic o...

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

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

Tick: A small wingless bloodsucking insect that, along with the mite, belongs to the order...

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Tick bite: A bite from a bloodsucking, parasitic insect that punctures the skin with a sha...

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Ticks: Small wingless bloodsucking insects that, along with the mite, belongs to the order...

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Titer: The concentration of a substance in a fluid, such as the concentration of an antibo...

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Western blot: A technique in molecular biology that is used to separate and identify parti...

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Wrist: The part of the hand that is nearest the forearm and consists of the carpal bones a...

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Medical Dictionary