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WVSOM

Cellular Differentiation

QuestionAnswer
The process of transformation into a different cell type Differentiation
When the developmental fate of a cell becomes restricted, so that it will differentiate inot a specific manner Commitment
The first phase of commitment, when the fate is still reversible Specification
The final phase of commitment, when commitment become irreversible Determination
Intracellular signals controlling cellular differentiation Autonomous specification
signals between cells controlling cellular differentiation Intercellular induction
None nutrient chemicals secreted by one cell to induce a response in another cell Hormones
Hormones that control cell cycle progression, cellular differentiation or morphogenesis during development Growth factors
Specialized cells with limited or no ability to transforminto other cell types Differentiated cell types
Cells that have not transformed into a specialized cell type Undifferentiated cell types
Cells with distinctive morphological characteristics and/or molecular processes Specialized cell types
To have the potential to differentiate into any cell type and produce an entire organism Totipotency
To have the potential to differentiate into multiple cell types Pluripotency, Multipotency
Cells that either divide into more cells to propagate their own population, or differentiate inot other cell types Stem cells
Cells that must differntiate inot other cell types and so cannot propage their won population Progenitor or Precursor cells
Embryonic cleavage stage, morula and early bastocyst cells Blastomeres
Stem ceells from any embryonic stage. Are usually named after the cell types they produce Blast cells
Loosely organized blast cells. These are produced by the ectoderm, endoderm and mesoderm Mesenchyme
Transformation of one differentiated cell type to another. Metaplasia
To reverse the process of differentiation. For a specialized cell to transform into less psecialized cell type Dedifferentiation
Dedifferntiation to an embryonic cell type Anaplasia
Abnormal, new growth. Neoplasia
Created by: mhaynes
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