from human placenta (source material tested for hepatitis B antigen and HIV-1 antibody)
a chromatographically partially purified matrix of human placenta; comprised of Laminin, Collagen IV and heparan sulfate proteoglycan; promotes attachment, spreading, mitosis, and differentiation of anchorage-dependent epithelioid cells, particularly of human origin; used as a thin coating on tissue culture surfaces.
tested and found negative for the presence of bacteria, fungi and mycoplasma
