tem Cell Differentiation Stem Cell Differentiation Princeton University 3/25/2017 3/25/2017 Dr. Hariom Yadav Dr. Hariom Yadav Kinds of Stem Cells Kinds of Stem Cells Embryonic stem e from a five to six-day-old embryo. They have the ability to form virtually any type of cell found in the human body. Embryonic germ cells are derived from the part of a human embryo or foetus that will ultimately produce eggs or sperm (gametes). Adult stem cells are undifferentiated cells found among specialised or differentiated cells in a tissue an after birth. Based on current research they appear to have a more restricted ability to produce different cell types and to self-renew. 3/25/2017 3/25/2017 Dr. Hariom Yadav Dr. Hariom Yadav Blastocyst Blastocyst Diagram Diagram Princeton University