Also known as: PA., PA..., PA-
PA has various meanings in the Medicine category. Discover the full forms, definitions, and usage contexts of PA in Medicine.
A hydrocarbon containing more than two amino groups. A short chained, but highly charged water soluble cationic polymer. Used typically as organic coagulant in water treatment and as anionic trash control agent in papermaking.
MedicinePrimary amenorrhea is the failure of menses to occur by age 16 years, in the presence of normal growth and secondary sexual characteristics.
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