1. Science in Touch: Functions of Biomedical Terminology
2. Totipotent SCs, harvested from the eight cells of the zygote at approximately 36 hours post-fertilisation, can give rise to an entirely new organism, including the cells needed for human development. Pluripotent SCs, harvested when the inner cell mass of the blastocyst (i.e. the mass which could otherwise form the embryo and evolve into the foetus) reaches approximately 25 cells, can differentiate into any and all of the 200+ cell types which comprise the human body, but cannot give rise to the extra-embryonic cells necessary to support the development of a foetusin utero. Multipotent SCs, harvested from the primordial germline cells of early aborted foetuses or from mature tissue (e.g. from any post-foetal stage of life of the organism, including the late foetus, umbilical cord blood, children and adults), can give rise to the cell types regenerative of the tissue in which they normally reside.
3. A.R. Chapman, M.S. Frankel & M.S. Garfinkel. 1999.Stem Cell Research and Applications: Monitoring Frontiers of Biomedical Research.Online: American Association for the Advancement of Science and Institute for Civil Society. Available at: http://www.aaas.org/spp/sfrl/projects/stem/report.pdf [Accessed 2 Oct 2006].
4. HUMAN EMBRYONIC STEM CELL RESEARCH: WHY THE DISCARDED-CREATED-DISTINCTION CANNOT BE BASED ON THE POTENTIALITY ARGUMENT
5. The future for stem cell research