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Biology 1010-103

Chapter 13 Key Terms: Stem Cells and Cell Differentiation

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