Source:http://linkedlifedata.com/resource/umls/id/C0182747
UMD: Reagents used in qualitative and/or quantitative analyses of human cells and tissues, particularly their structure, function, and pathology. These reagents include those used for staining, cleaning, fixing, control, and calibration; they also include the appropriate media needed to perform cytology and/or histology procedures. Frequently, these reagents are available in kits that include all the necessary reagents for a particular test.