Diphtheria disease and definition

An illness that results from INFECTION with the bacterium Corynebacterium diphtheriae. Routine childhood IMMUNIZATION has made diphtheria rare in the United States, though the infection can occur in people who do not receive a booster VACCINE every 10 years and is common in other parts of the world. Infection may involve the NOSE and THROAT (respiratory diphtheria) […]

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Estrogens female hormones

A collective term for the “female” sex hormones, including prohormones (chemical precursors the body converts to hormones) and metabolites (byproducts of HORMONE METABOLISM). Estrogens are among the steroid hormones the body synthesizes from cholesterol. Estrogens derive from ANDROGENS (the “male” sex hormones). Common use applies the singular term estrogen to refer to any or all […]

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Abscess and treatment

An abscess is a collection of pus (dead neutrophils) that has accumulated in a cavity formed by the tissue in which the pus resides on the basis of an infectious process (usually caused by bacteria or parasites) or other foreign materials (e.g., splinters, bullet wounds, or injecting needles). It is a defensive reaction of the […]

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Dyskinesia and tardive dyskinesia, treatment and definition

Abnormal, involuntary movements. Dyskinesia results from damage to the structures within the BRAIN responsible for motor movement and coordination, notably the basal ganglia. ATHETOSIS, CHOREA, DYSTONIA, MYOCLONUS, tics, and tremors are all forms of dyskinesia that may appear in neurologic disorders such as PARKINSON’S DISEASE, HUNTINGTON’S DISEASE, TOURETTE’S SYNDROME, RESTLESS LEGS SYNDROME, CEREBRAL PALSY, and […]

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Hormone therapy

Treatment in which a person takes HORMONE extracts or synthetic hormones to influence the body’s natural production of hormones or to replace hormones the body is no longer producing. Nearly all of the body’s major hormones are available as purified extracts, laboratory- synthesized pharmaceuticals, or recombinant products. Common hormone therapy regimens include replacement supplements to […]

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Biopsy

Biopsy: The removal of a sample of tissue for purposes of diagnosis. (Many definitions of “biopsy” stipulate that the sample of tissue is removed for examination under a microscope. This may or may not be the case. The diagnosis may be achieved by other means such as by analysis of chromosomes or genes.) BiopsyRate this post

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Dyslexia

Dyslexia is a learning disability that impairs a person’s ability to read, and which can manifest itself as a difficulty with phonological awareness, phonological decoding, orthographic coding, auditory short-term memory, and/or rapid naming. Dyslexia is separate and distinct from reading difficulties resulting from other causes, such as a non-neurological deficiency with vision or hearing, or […]

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Leptospirosis – Weil’s disease

Leptospirosis (also known as Weil’s disease, Weil’s syndrome, canicola fever, canefield fever, nanukayami fever, 7-day fever, Rat Catcher’s Yellows, Fort Bragg fever, and Pretibial fever) is a bacterial zoonotic disease caused by spirochaetes  of the genus  Leptospira  that affects humans  and a wide range of animals, including mammals, birds, amphibians, and reptiles. The disease was first described […]

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Body Mass Index (BMI)

A mathematical measure of total body size and its correlation to health risk. BMI values derive from height (without shoes) and weight (without clothes) measures, with mathematical calculations that convert those measures to a value that reflects overall body size. BMI represents the mass of the body in kilograms per meter squared (kg/m2) though the […]

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Encephalitis symptoms and treatment

INFLAMMATION and INFECTION of the BRAIN. Encephalitis usually results from infection with a VIRUS and is potentially life threatening. Infection can enter the brain via pathogens that are small enough to pass across the BLOOD-BRAIN BARRIER or that are able to follow neural pathways (the routes of nerves) into the brain. The most common cause […]

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