stem cell
Noun: 1. An undifferentiated cell: A basic, unspecialized cell that has not yet developed a specific function or structure. 2. A cell with the potential to differentiate: A cell whose daughter cells (the cells it produces when it divides) can develop into various other, more specialized cell types (such as blood cells, nerve cells, or muscle cells).
Stem cells are fundamental units studied in biology and medicine for their unique properties. * They are discussed in the context of development, regeneration, and therapeutic research. * The term is typically used as a countable noun (e.g., a stem cell, these stem cells).
- Basic Biological Context:
- Embryonic stem cells have the potential to become any cell type in the body.
- The research focuses on how a stem cell decides to become a skin cell or a liver cell.
- Medical and Research Context:
- Scientists are investigating the use of stem cells to repair damaged heart tissue.
- Bone marrow contains adult stem cells that can differentiate into various blood cells.
- "Stem cell therapy/treatment": A medical intervention that involves introducing stem cells into a patient's body to repair damaged tissue or treat a disease.
- Stem cell therapy is being explored for conditions like Parkinson's disease and spinal cord injuries.
- "Stem cell research": The field of scientific study dedicated to understanding the properties and potential applications of stem cells.
- Ethical debates often surround certain types of stem cell research.
- "Stem cell line": A population of stem cells that can be grown and multiplied in a laboratory for an extended period.
- The laboratory established a new stem cell line for their experiments.
- Stem-cell (adjective): Used attributively to describe things related to stem cells.
- Stem-cell biology is a rapidly advancing field.
- The clinic offers stem-cell treatments.
- Progenitor cell: A cell that is already somewhat committed to a specific lineage but is not yet fully differentiated. It is more specialized than a stem cell.
- Pluripotent stem cell: A stem cell that can give rise to nearly all cell types of the body.
- Multipotent stem cell: A stem cell with the potential to differentiate into a limited range of cell types within a specific tissue or organ.
- Precursor cell: A cell that precedes and gives rise to a more mature, specialized cell.
- Undifferentiated cell: A cell that has not yet acquired a specialized structure and function.
(Note: The word "stem cell" itself is a specific scientific term. While "precursor cell" and "undifferentiated cell" are related concepts, they are not perfect synonyms, as "stem cell" implies a specific capacity for self-renewal and differentiation.)
- an undifferentiated cell whose daughter cells may differentiate into other cell types (such as blood cells)