dedifferentiate
Học thuậtThân thiện
Definition
- Verb:
- To lose specialization in form or function: In biology, to dedifferentiate means for a mature, specialized cell to revert to a less specialized, more primitive state, often as a step towards becoming a different type of cell.
Usage
- The verb "dedifferentiate" is used primarily in biological and medical contexts to describe a cellular process. It is typically used intransitively (the cell dedifferentiates) or in the passive voice (the tissue was dedifferentiated).
Examples
- Verb:
- When a salamander loses a limb, the cells at the injury site dedifferentiate to form a blastema.
- In some plant tissues, mature cells can dedifferentiate and then redifferentiate into a new cell type.
- The cancerous cells appeared to dedifferentiate, losing their original identifying features.
Advanced Usage
- "Dedifferentiating" (present participle/adjective): Describing the ongoing process or cells that are undergoing this change.
- Researchers observed the dedifferentiating cells under the microscope.
- Conceptual Extension: While strictly biological, the term can be used metaphorically in other fields to describe a return to a simpler, less defined state.
- Critics argued that the new policy caused the agency's roles to dedifferentiate, creating confusion.
Variants and Related Words
- Dedifferentiation (noun): The process or result of dedifferentiating.
- Limb regeneration in newts involves the dedifferentiation of mature cells.
- Redifferentiate (verb): The subsequent process where dedifferentiated cells become specialized again.
- After forming the blastema, the cells will redifferentiate into bone, muscle, and skin.
Synonyms
- Revert (to a less specialized state)
- Despecialize
Antonyms
- Differentiate (to become specialized)
- Specialize
Verb
- lose specialization in form or function