Blood counting machines aspirate a very small amount of the specimen through narrow tubing followed by an aperture and a laser flow cell. Laser eye sensors count the number of cells passing through the aperature, and can identify them; this is flow cytometry.
In computing, Extract, Transform and Load (ETL) refers to a process in database usage and especially in data warehousing that performs: Data extraction â extracts data from homogeneous or heterogeneous data sources.
Within the ETL market, Forrester noted that SAS is a vendor that provides ETL functions as part of a a bigger data management offering that includes database management, application development, data virtualization, data integration, enterprise information management (EIM), or BI.