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the key difference between adult and embryonic stem cells is that adult stem cells are multipotent while embryonic stem cells are pluripotent. Stem cells are a category of cells with the ability to divide and develop into different types of cells in the body. They are distinguished from the normal cells since they divide and renew themselves over a longer period of time. difference between adult and embryonic stem cells definition. Adult stem cells adult stem cells are found in differentiated tissues, but they remain undifferentiated. Embryonic stem cells embryonic stem cells are found in the three germ layers of the embryo. Adult stem cells adult stem cell-based therapies (act) have more advantages compared to embryonic stem cell. Adult stem cells have been identified in many organs and tissues, and it is probable that due to their low numbers there are stem cell niches in the adult organism that still remain unknown to us. In this chapter a few other stem cell types will be mentioned, mostly for their clinical importance. adult stem cells (ascs) are found in everyones body and they are capable of repairing a host of tissues. In fact, the research on adult cell lines has surpassed embryonic. Above is the result of a search i did yesterday in the national library of medicine, looking at all embryonic stem cell published papers vs. in modern therapy, embryonic stem cells are valuable tools in regenerative therapy and tissue replacement following injury or disease. The diseases that use embryonic stem cell therapy at present are diabetes, neurodegenerative disorders, spinal cord, and muscular injuries. The adult stem cells are derived from adult tissue, and have the ability to regenerate into all the cell types of the organ from which they originate. Embryonic stem cells, on the other hand, are stem cells that are derived from the inner cell mass of a blastocyst. Blastocyst is an early-stage of the embryo that it reaches approximately 4-5 days after fertilization. the major difference between embryonic and somatic stem cells is that embryonic stem cells have the potential to differentiate into all cell types of the body, as they are pluripotent stem cells (cells that are able to differentiate into three primary germ cell layers of the early embryo and, thus, into any cell type of the body) whereas, it is believed that somatic stem cells can. Embryonic stem can divide into more stem cells or become any type of cell in the human body. Use in people has been limited to eye-related disorders such as macular degeneration. Adult stem cells are found in small numbers in most adult tissues, such as bone marrow or fat. worlds 1st human embryonic stem cell trial for spinal cord injury - katie sharifys story - duration 2845. Adult stem cells are not rejected by the bodys immune system as a result of being capable of performing an autologous transplant (advantages and disadvantages of adult stem cells over embryonicgerm cells par. When cells or tissues or organs are transplanted from one person to the other the receivers body often rejects the organ or tissue given by the donor because their immune system.).