microgram
Minuscule mass unit
A microgram is one millionth of a gram—a unit so small it measures substances where tiny amounts matter enormously, like hormones, vitamins, and potent drugs such as LSD.
Abbreviated μg or mcg.
The recommended daily allowance of vitamin D is 15 micrograms.
Measured medicine amount
- potencyDegree of strength
- bioavailabilityFraction reaching active circulation
- medicationTherapeutic substance for illness
- prescriptionMedical dispensing authorization
toxicity · therapeutic · pharmaceutical · drug · vitamin · hormone · supplement · antibiotic
Billionth of a gram
- milligramOne-thousandth gram
- kilogramBase unit of mass
- metricStandard of measurement
- SIUniversal measurement framework
unit · scale · balance · mass · weight · quantity · magnitude · proportion
Facility for scientific investigation
- chemistryStudy of substances' interactions
- biochemistryScience of living chemistry
- molecularOf tiny particles
- toxicologyScience of poisons
analysis · assay · spectrometry · chromatography · sample · reagent · compound · trace
Extremely small in size
- infinitesimalQuantity approaching zero
- traceMinute remnant or pursue
- speckMinute visible particle
- particleMinute piece of matter
tiny · imperceptible · negligible · minute · fractional · vanishingly · barely · scarcely
dosage
Measured medicine amount
- potencyDegree of strength
- bioavailabilityFraction reaching active circulation
- medicationTherapeutic substance for illness
prescription · toxicity · therapeutic · pharmaceutical · drug · vitamin · hormone · supplement · antibiotic · vaccine
nanogram
Billionth of a gram
SI · unit · scale · balance · mass · weight · quantity · magnitude · proportion · calibration
laboratory
Facility for scientific investigation
- chemistryStudy of substances' interactions
- biochemistryScience of living chemistry
- molecularOf tiny particles
toxicology · analysis · assay · spectrometry · chromatography · sample · reagent · compound · trace · detection
minuscule
Extremely small in size
- infinitesimalQuantity approaching zero
- traceMinute remnant or pursue
- speckMinute visible particle
particle · tiny · imperceptible · negligible · minute · fractional · vanishingly · barely · scarcely · undetectable