NCIt related terms : Production, Feeder Cell Layer;
NCIt definition : A layer of supportive cells that are irradiated to prevent replication but can still
secrete growth enhancing factors for use in co-culture;
Alternative definition : FDA: Supportive layers of cells that are irradiated to prevent replication but allow
secretion of growth enhancing factors; used to sustain growth of multipotent stem
cells and other fastidious cells .;