Onychomycosis Glossary of Terms

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

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

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Antifungal: A medication that limits or prevents the growth of yeasts and other fungal org...

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Aspergillus: A family of fungal organisms and molds, some of which can cause disease.

Avulsion: Tearing away. A nerve can be avulsed by an injury, as can part of a bone.

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

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Candida albicans: A yeast-like fungal organism found in small amounts in the normal human...

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Candidiasis: Disease caused by the yeast Candida albicans. Candida albicans can cause vagi...

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

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

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Dermatologist: A physician who specializes in the diagnosis and treatment of skin problems...

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

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

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

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Distal: The more (or most) distant of two (or more) things. For example, the distal end of...

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

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FDA: Food and Drug Administration.

Fingernail: A fingernail is produced by living skin cells in the finger. A fingernail cons...

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Food and Drug Administration: An agency within the US Public Health Service that provides ...

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

Fungal nail infection: The most common fungus infection of the nails is onychomycosis.

Fungi: Plural of fungus.

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

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

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Heart failure: Inability of the heart to keep up with the demands on it and, specifically...

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HIV: Acronym for the Human Immunodeficiency Virus, the cause of AIDS (acquired immunodefi...

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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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Immunosuppression: Suppression of the immune system and its ability to fight infection. Im...

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Incidence: The frequency with which something, such as a disease or trait, appears in a pa...

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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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Injury: Harm or hurt. To harm, hurt, or wound. The word injure may be in physical or emot...

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

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

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Laser: A powerful beam of light that is used in some types of surgery to cut or destroy ti...

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Lateral: 1. In anatomy, the side of the body or a body part that is farther from th...

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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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Liver disease: Liver disease refers to any disorder of the liver. The liver is a large org...

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Lunula: 1. The crescent-shaped area at the base of a fingernail or toenail. 2./...

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Membrane: A very thin layer of tissue that covers a 'surface.

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

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Microscopic: So small it cannot be seen without the aid of microscope. As opposed to macro...

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

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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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Nail: In medicine, there are two types of nails. One is just a plain old metal nail used t...

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

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

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Objective: In a microscope, the objective (also called the objective lens) is the lens nea...

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Onycholysis: Loosening of a nail from the nail bed, usually starting at the border of the ...

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Onychomycosis: Fungus infection of the nail bed under the fingernails or toenails. Onychom...

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

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Paresthesia: An abnormal sensation of the body, such as numbness, tingling, or burning.

Pathogen: An agent of disease. For example, Bacillus anthracis is the pathogen that causes...

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

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Potassium: The major positive ion (cation) found inside cells. The chemical notation for p...

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

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Proximal: Toward the beginning, the nearer of two (or more) items. For example, the proxim...

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Recurrence: The return of a sign, symptom, or disease after a remission. The reappearance ...

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

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

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Sensation: In medicine and physiology, sensation refers to the registration of an incoming...

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Sodium: The major positive ion (cation) in the fluid surrounding cells in the body. The ch...

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

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

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

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Surgeon: A physician who treats disease, injury, or deformity via operative or manual meth...

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

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Sweat: A colorless transparent acidic fluid with a distinctive odor secreted by the small ...

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

Tinea unguium: The most common fungus infection of the nails, also called onychomycosis.

Toenail: A toenail is produced by living skin cells in the toe. A toenail consists of seve...

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

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Trauma: A physical or emotional injury.

Urea: A nitrogen-containing substance normally cleared from the blood by the kidney into t...

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Yeast infection: Overgrowth of yeast can affect the skin (yeast rash), mouth (thrush), di...

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Medical Dictionary