Source:http://linkedlifedata.com/resource/umls/id/C0370003
HL7V3.0: <p><b>Description:</b>Represents the HL7 content "domain" that supports Specimen - and "comprises the models and artifacts that are needed to support the creation of messaging related to specimen."</p><p><i>UsageNote:</i>V3 Specifications are published in a set of "domains", which contain interactions and related specifications for a single area of health care within which can be supported by a single, coherent set of interoperability specifications.</p>,NCI: A part of a thing, or of several things, taken to demonstrate or to determine the character of the whole, e.g. a substance, or portion of material obtained for use in testing, examination, or study; particularly, a preparation of tissue or bodily fluid taken for examination or diagnosis.