Artifact
Irrelevant mark
Centrifuge
Device to spin specimen to separate
Objectives
Magnifying lenses in microscope
Oil-immersion objective
Microscope objective lowered into a drop of immersion oil
Physicians office laboratory
A laboratory in a physicians office
Quantitative test response
A test result indicates either present or absent
Qualitative test results
Concentration of a test substance in a specimen
Reference laboratory
Laboratory outside the physicians practice