3Rs: Replacement: Heart Valves Grown From Womb Fluid Cells

Heart valves used in replacement surgeries often involve the killing of animals, e.g. pigs, who are used as involuntary donors. This new technology - which has now been used to grow heart valves, bladders and other tissues, would obviate the cruel practices and ethical objections to using animals for xenotransplantation.

Heart Valves Grown From Womb Fluid Cells