Month: December 2020
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Primary immune response
The production of antibodies 7-10 days after infection. The initial reaction to an immunogen, during which T and B lymphocytes are activated and antibodies specific to the antigen are produced. This reaction is considered relatively weak but produces large numbers of antigen-specific memory cells.
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Primary image
A projected image, produced by the objective, that is further magnified by the eyepiece.
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Primary homosexual
A homosexual who has never responded to heteroerotic stimulation.
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Primary health care
Health care services provided to people who do not require hospitalization, secondary health care. Health care provided by a physician, nurse, or other health care professional in the first contact of the patient with the health care system. It may involve a private internist, a family physician, pediatrician, an ambulatory health care facility, or a…
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Primary group
In sociology, the small, informal group with close, personal relationships between members.
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Primary grades health curriculum project (PGHCP)
An integrated part of a larger curriculum being taught in the primary grades. It is a companion to the School Health Curriculum Project.
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Primary glaucoma
A condition characterized by the inability of the eyeball to maintain the adsorption and escape of the aqueous humor.
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Primary erotic stimuli
Stimuli that may lead to sexual arousal in the absence of prior learning or experience, secondary erotic stimuli.
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Primary erectile dysfunction
A condition in which a man has never maintained an erection sufficient to engage in sexual intercourse.
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Primary endosperm nucleus
The result of the fusion of the male gamete and the two polar nuclei.