akaryocyte
Học thuậtThân thiện
Definition
Noun: A cell that lacks a nucleus. This term is primarily used in biological and medical contexts to describe cells where the nucleus is absent, either as a normal mature state or as an abnormal condition.
Usage
The word "akaryocyte" is a technical, scientific term. It is used to precisely categorize and describe cells based on the absence of a nuclear structure. * It functions as a countable noun (e.g., an akaryocyte, many akaryocytes). * It is typically used in academic writing, research papers, and medical diagnostics.
Examples
- Under the microscope, the pathologist identified the cell as an akaryocyte, confirming its anucleate nature.
- Mature mammalian red blood cells, or erythrocytes, are classic examples of akaryocytes.
- The study focused on the unique metabolism of the akaryocyte.
Advanced Usage
- The term is often used in contrast to "karyocyte" (a cell with a nucleus) to highlight a fundamental cellular difference.
- In some contexts, it can describe abnormal cells, such as certain cancer cells or cell fragments that have lost their nuclei.
Variants and Related Words
- Akaryotic (adjective): Describing the state of being without a nucleus.
- The platelet is an akaryotic cell fragment.
- Erythrocyte (noun): A red blood cell, which is the most common type of akaryocyte in humans.
- Platelet (noun): A small blood cell fragment crucial for clotting, another example of an akaryotic structure.
Synonyms
- Anucleate cell: A more descriptive synonym meaning "a cell without a nucleus."
- Non-nucleated cell: A simpler, more general synonym.
Antonyms
- Karyocyte: A cell that possesses a nucleus.
- Nucleated cell: A general term for any cell containing a nucleus.
Noun
- a cell without a nucleus (as an erythrocyte)