Chapter 13 Key Terms: Stem Cells and Cell Differentiation
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| Stem Cells | Immature cells that can divide and differentiate into specialized cell types.
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| Tissue | An organized group of different cell types that work together to carry out a particular function.
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| Adult (Somatic) Stem Cells | Stem cells located in tissues that help maintain and regenerate those tissues.
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| Cellular Differentiation | The process by which a cell specializes to carry out a specific role.
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| Differential Gene Expression | The process by which genes are "turned on," or expressed, in different cell types.
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| Multipotent | Describes a cell with the ability to differentiate into a limited number of cell types in the body.
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| Embryonic Stem Cells | Stem cell that make up an early embryo and which can differentiate into nearly every cell type in the body.
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| Blastocyst | The stage of embryonic development in which the embryo is a hollow ball of cells. Researchers can derive embryonic stem cell lines during the blastocyst stage.
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| Pluripotent | Describes a cell with the ability to differentiate into nearly any cell type in the body.
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| Totipotent | Describes a cell with the ability to differentiate into any cell type in the body.
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| Induced Pluripotent Stem Cell | A pluripotent stem cell that was generated by manipulation of a differentiated somatic cell.
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