Eczema Glossary of Terms

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

See the entire definition of Acute

Alcoholism: Physical dependence on alcohol to the extent that stopping alcohol use would b...

See the entire definition of Alcoholism

Allergic rhinitis: Medical term for hay fever, an allergic reaction that mimics a chronic ...

See the entire definition of Allergic rhinitis

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

See the entire definition of Allergy

Allergy shots: See Allergy desensitization.

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

See the entire definition of Antibiotic

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

See the entire definition of Antibody

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

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

See the entire definition of Asthma

Atopic: A predisposition toward developing certain allergic hypersensitivity reactions. At...

See the entire definition of Atopic

Atopic dermatitis: A skin disease characterized by areas of severe itching, redness, scali...

See the entire definition of Atopic dermatitis

Atopy: The genetic tendency to develop the classic allergic diseases -- atopic dermatitis,...

See the entire definition of Atopy

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

See the entire definition of Bacteria

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

back to top

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

See the entire definition of Biopsy

Boil: A skin abscess that forms at a hair follicle infected with pus-forming bacteria. The...

See the entire definition of Boil

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

See the entire definition of Bumps

Chemotherapy: 1. In the original sense, a chemical that binds to and specifically k...

See the entire definition of Chemotherapy

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

See the entire definition of Chronic

Contact dermatitis: A skin condition caused by contact between skin and some substance. In...

See the entire definition of Contact dermatitis

Dermatitis: Inflammation of the skin, either due to an inherent skin defect, direct contac...

See the entire definition of Dermatitis

Dermatology: 1. The branch of medicine concerned with the diagnosis, treatment, and...

See the entire definition of Dermatology

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

Differentiation: 1 The process by which cells become progressively more specialize...

See the entire definition of Differentiation

Discharge: 1.The flow of fluid from part of the body, such as from the nose or vag...

See the entire definition of Discharge

Dry skin: Abnormally dry skin. Can be caused by a dry climate, winter weather, severe defi...

See the entire definition of Dry skin

Eczema (dermatitis): A particular type of inflammatory reaction of the skin in which there...

See the entire definition of Eczema

Elbow: The juncture of the long bones in the middle portion of the upper extremity. The bo...

See the entire definition of Elbow back to top

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

See the entire definition of Emergency department

Exacerbate: To make worse. For example, smoking may exacerbate lung disease.

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

See the entire definition of Fever

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

See the entire definition of Flare

Fungal: Pertaining to a fungus. For example, a fungal skin infection.

Fungus: A single-celled or multicellular organism. Fungi can be true pathogens (such as hi...

See the entire definition of Fungus

Genetic: Having to do with genes and genetic
information.

Hay fever: A seasonal allergy to airborne particles characterized by itchy eyes, runny nos...

See the entire definition of Hay fever

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

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

See the entire definition of Immune system

Immunity: The condition of being immune. Immunity can be innate'for example, humans are in...

See the entire definition of Immunity

Immunoglobulin: A protein produced by plasma cells and lymphocytes and characteristic of t...

See the entire definition of Immunoglobulin

Immunoglobulin E: A class of immunoglobulins that includes the antibodies that are importa...

See the entire definition of Immunoglobulin E

Immunology: The study of all aspects of the immune system, including its structure and fun...

See the entire definition of Immunology

Immunotherapy: Treatment to stimulate or restore the ability of the immune (defense) syst...

See the entire definition of Immunotherapy back to top

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

See the entire definition of Infection

Inhalant: 1. Generally, any breathable chemical vapor.
2. Specificall...

See the entire definition of Inhalant

Itching: An uncomfortable sensation in the skin that feels as if something is crawling on ...

See the entire definition of Itching

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

See the entire definition of Knee

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

See the entire definition of Microscope

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

See the entire definition of Neck

Nickel: A silver-white metallic element. Long-term exposure to nickel, such as from jewelr...

See the entire definition of Nickel

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

See the entire definition of Pain

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

See the entire definition of Pathologist

Poison: Any substance that can cause severe organ damage or death if ingested, breathed in...

See the entire definition of Poison

Poison oak: Skin inflammation that results from contact with the poison oak plant. Chemica...

See the entire definition of Poison oak

Prescription: A physician's order for the preparation and administration of a drug or dev...

See the entire definition of Prescription

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

See the entire definition of Prognosis

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

See the entire definition of Proteins

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

See the entire definition of Puberty back to top

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

See the entire definition of Rash

Recurrent: Appearing or occurring again. For example, a recurrent fever is a fever that ha...

See the entire definition of Recurrent

Rhinitis: Irritation of the nose.

Scabies: Infestation of the skin by the human itch mite, Sarcoptes scabiei. The ini...

See the entire definition of Scabies

Seborrheic dermatitis: A medical name for what is popularly called seborrhea.

Sleep: The body's rest cycle.

Stasis: A stoppage or slowdown in the flow of blood or other body fluid, such as lymph. Fo...

See the entire definition of Stasis

Stasis dermatitis: A skin irritation on the lower legs generally related to circulatory pr...

See the entire definition of Stasis dermatitis

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

See the entire definition of Steroid

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

See the entire definition of Stress

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

See the entire definition of Substance

Sweating: The act of secreting fluid from the skin by the sweat (sudoriferous) glands. The...

See the entire definition of Sweating

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

See the entire definition of Symptom

Systemic: Affecting the entire body. A systemic disease such as diabetes can affect the wh...

See the entire definition of Systemic

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

back to top

Topical: Pertaining to a particular surface area. For example, a topical agent is applied ...

See the entire definition of Topical

Vesicles: In dermatology, vesicles are small blisters, most often on the skin. Vesicles al...

See the entire definition of Vesicles

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 back to top




NIH talks about Ebola on WebMD


Medical Dictionary